Electric Chain Hoist Manufacturer

Yuantai's chain hoist range includes six main configurations, each tailored to different applications: fixed-hook (suspended) models, hoists on manual trolleys, hoists on motorized trolleys, low-headroom hoists, Euro-style hoists, and explosion-proof hoists. All Yuantai electric chain hoists are engineered for heavy-duty service and built to international safety standards (CE, ISO, GB, etc.). Quality and safety are validated by ISO 9001-certified manufacturing and CE marking, complying with directives like EU Machinery Directive 2006/42/EC (covering EN ISO 12100, EN 60204-32, EN 14492-2, etc.). In hazardous areas, Yuantai offers explosion-proof chain hoists meeting ATEX/IECEx requirements.

Why Use an Electric Chain Hoist for Your Operations

Electric chain hoists improve safety and productivity in material handling: they eliminate manual lifting effort, reduce cycle times, and give operators precise control. Compared with manual chain hoists (chain blocks), electric chain hoists let you lift heavy parts or pallet loads at the push of a button, without straining workers. They also outperform rope hoists in indoor, low-headroom, or fine-positioning tasks because chain hoists can lift loads closer to the beam and often include dual-speed control for precise placement.

For example, a single-speed electric chain hoist is simple and rugged for general use. A dual-speed chain hoist (standard plus creep speed) lets you coarsely lift at high speed then precisely lower at a slower "creep" speed for delicate positioning. Such fine control is critical when installing engines into machinery or mating heavy components under tight tolerances. In summary, an electric chain hoist gives you repeatable accuracy and faster lifts than pulling by hand, improving throughput and reducing errors.

Yuantai hoists come with ergonomic pendant or optional remote controls and built-in safety features, so operators can focus on the load – not on pulling chains. And because they run on three-phase power, they deliver constant torque and cooler operation for continuous industrial duty.

Yuantai Electric Chain Hoist Configurations

Yuantai offers six electric chain hoist configurations to fit various usage scenarios. Each is built around the same high-strength components (motors, gearboxes, Grade-80 alloy steel chains, hooks, limit switches, etc.) but differs in how the hoist is mounted or used. Below is a summary of each type; see the Comparison Table after this section for a quick overview.

1. Hook Type Electric Chain Hoist

The hook type electric chain hoist (also called Fixed Type Electric Chain Hoists) is the simplest form. It is hung directly from a fixed lifting point – typically a trolley, beam clamp, jib crane, or ceiling mount – using a top suspension hook or lug. This makes it portable: you can easily change its position along a beam or take it off one project and use on another.

• Operation: It provides vertical lifting only. Once installed, it is stationary. An operator stands under the load and controls lifting via a low-voltage pendant. (Some systems allow remote wireless control if needed.)

• Capacity & Range: Available in Yuantai's standard range. For higher lifts or special needs, consult Yuantai for custom options.

• Best For: Occasional or infrequent lifts at a fixed location. Ideal for maintenance shops, assembly bays, or construction tasks where you need a rugged hoist but don't require traveling along a runway.

• Advantages: Lower initial cost and simplest installation. Can be moved between beam locations by hand. Great for situations with limited budget or simple lifting tasks.

• Features: All models include upper/lower limit switches to prevent over-travel, emergency stop, thermal protection, and a high-strength welded Grade-80 load chain. The hoist housing is compact and well-sealed (IP44–55) for durability.

2. Electric Chain Hoist with Manual Trolley

The Manual Trolley Electric Chain Hoist attaches the hoist to a hand-travel trolley that rides on an I-beam or monorail. This lets you lift vertically and manually push the load along the beam.

• Operation: Vertical lift by the hoist motor; horizontal travel by hand. An operator pulls a small push-chain on the trolley to move the suspended load.

• Capacity & Range: Same lifting capacities (0.5–35 t) and heights as hook type. The trolley fits common I-beam sizes.

• Best For: Workshops and warehouses where loads must be moved to different stations along a beam but travel distances are short or infrequent. Common in small fabrication shops and service areas.

• Advantages: More flexibility than a fixed hoist: you can position a lifted part anywhere along the beam. Lower cost than motorized trolleys, since the trolley has no motor or controls. Ideal if you don't need powered travel.

• Features: Includes guiding devices on trolley wheels for smooth travel and an aviation-style plug to safely connect the hoist power to the trolley. All standard safety devices (limit switches, emergency brake, reverse-phase protection) are included.

Use a manual-trolley hoist when you want point-to-point flexibility without the expense of a powered system. It keeps your workspace simple and cuts wiring complexity, yet dramatically improves material flow over fixed hoists.

3. Electric Chain Hoist with Motorized Trolley

For fully automated travel, choose a motorized Trolley Electric Chain Hoist. Here the hoist hangs on a powered trolley that moves along the beam under electric drive.

• Operation: Vertical lifting by the hoist; horizontal travel by the trolley motor. The trolley has its own control, so you can move loads along the runway by pendant.

• Capacity & Range: Available up to 35 t (for single speeds; consult for higher). Lifting height and ambient specs match other models.

• Best For: Frequent, long-distance moves where manual pushing is impractical. Assembly lines, large work bays, or production facilities benefit most. Also suitable for low headroom if a motor trolley can travel.

• Advantages: Frees the operator from pushing loads, improving speed and reducing fatigue.

• Features: Motorized trolleys can be single or dual-speed on travel. The hoist itself is identical to the hook model but with an added trolley drive unit. Yuantai motorized systems include heavy-duty travel motors with gearboxes. All safety features (brakes, limit switches on hoist and trolley, anti-collision bumpers, etc.) are provided. The hoist body remains compact (IP44–55) and the trolley meets heavy-duty service requirements.

Motorized trolley hoists deliver consistency and speed in handling. Operators can focus purely on precision lifting and lowering, since the system covers travel.

4. Low-Headroom Electric Chain Hoist

The Low-Headroom Electric Chain Hoist is a specially designed electric chain hoist integrated with a motorized trolley. Its lifting motor, transmission mechanism, and chain lifting assembly are arranged in a compact layout. This structure reduces the vertical space occupied by the hoist and allows the load hook to travel closer to the underside of the I-beam when fully raised.

• Operation: The electric hoist handles lifting and lowering, while the motorized trolley moves the load horizontally along the I-beam. Operators can control both movements through a pendant control, allowing loads to be lifted and transported between working positions.

• Capacity & Range: 0.5–35 t, with lifting heights of up to 50 m available for customized requirements. The specific capacity, lifting speed, chain arrangement, and lifting height depend on the selected model.

• Best For: Facilities where overhead clearance is limited and you need to make better use of the available lifting height. Typical applications include manufacturing workshops, warehouses, equipment assembly areas, maintenance facilities, and multi-level industrial buildings. It is also suitable for lifting tall machinery parts, molds, and other loads that require a higher lifting position.

• Advantages: The main advantage of a low-headroom electric chain hoist is its ability to provide more usable lifting height within a limited vertical space. Its compact lifting mechanism and trolley arrangement reduce the distance between the underside of the supporting beam and the hook when the hoist reaches its upper limit. This allows you to lift loads higher without increasing the building height or changing the crane runway elevation. It is particularly useful when your existing workshop has limited ceiling clearance or when standard hoists cannot provide the required hook lifting position.

• Features: Yuantai's low-headroom electric chain hoists are equipped with a Grade 80 alloy steel load chain, DC brake, and upper and lower limit switches. The motorized trolley features guiding devices that help keep the wheels properly aligned with the I-beam during travel, supporting stable movement and reducing vibration. An aviation plug provides a convenient electrical connection between the hoist and trolley. A 24–48 V low-voltage pendant control is also available, helping improve operator safety.

Choose a low-headroom electric chain hoist when the available vertical space limits your lifting height. Its compact structural arrangement reduces the headroom required between the supporting beam and the fully raised hook. This gives you more usable lifting clearance for handling tall workpieces, molds, machinery, and stacked materials. Before selecting a model, check the hoist's dimensional drawing and confirm the required hook approach, lifting height, and I-beam dimensions to ensure the equipment fits your installation.

5. EU Standard Electric Chain Hoist

Yuantai's EU-Standard electric chain hoist is a premium chain hoist built to European specifications (EN 13157, FEM classes) for customers who require the latest compliance and features. It combines Yuantai's heavy-duty build with ergonomic refinements.

• Operation: Similar to the hook-suspended type (can be mounted on a trolley), but with a fully enclosed steel/aluminum housing and advanced controls. Available in capacities from 0.25 t up to 60–80 t.

• Key Upgrades: These hoists use lightweight pressed-steel covers with sealed service panels, making them extremely dust- and weather-resistant. The motor is paired with a high-performance helical-bevel gearbox in an oil bath (long life, low noise). Imported FEC-certified Grade-80 chain with strict EN/ISO dimensions ensures a 5:1 proof-tested safety factor. The brake is an advanced disc type mounted on the motor shaft for instant stopping. All European models meet CE requirements for EMC and safety.

• Applications: Where end-users demand European quality standards. This may include export projects, automated lines, or industries (automotive, aerospace) with high safety/audit standards.

• Features: Light-weight housing (aluminum + steel) for easier handling during installation, rapid-service removable panels, and optional features like dual-speed motors, magnetic brake monitors, and digital load cells. The result is a very smooth-running, low-noise hoist with extra long service intervals.

6. Explosion-Proof Electric Chain Hoist

When safety in hazardous areas is critical, Yuantai's explosion-proof chain hoist is the choice. These hoists are specially designed so that all motors, electrical parts, and controls are enclosed in flameproof (Ex d) casings, preventing ignition of surrounding gases or dust.

• Operation: Identical lifting mechanics to standard hoists, but every component (motor, gear housing, switch box, connectors) is rated for use in Zone 1/2 (Gas) or Zone 21/22 (Dust) environments. Often built for Gas Group IIA/IIB and Temperature Class T4 (≤135°C).

• Capacity & Range: 0.5–35 t typical (higher if configured with multiple chain falls). Lifting heights up to 30 m or more. Runs on three-phase 220–440 V, 50/60 Hz power like other models. Protection grade is higher (up to IP65–67) to keep out moisture and dust.

• Best For: Chemical plants, oil/gas facilities, mines or any site with flammable vapors, gases, or dust. For example, loading docks at refineries, paint shops, or flour mills. Wherever ATEX or IECEx compliance is required for lifting equipment.

• Safety & Compliance: The design follows Chinese GB 3836 and international standards (ATEX, IECEx). Each explosion-proof hoist carries Ex markings (e.g. Ex d IIB T4 Gb) and is built with non-sparking materials. Compared to standard hoists, brake units are sealed and motors use spring-set brakes with encased coils. Limit switches, emergency stops, and push-button stations are also explosion-proof. Many units include mechanical load limiters and extra chain container enclosures as needed.

• Features: Example specs show multi-fall chains (up to 16 falls for 35 t) with speeds from 6.8 down to 0.7 m/min (heavy loads). All torques and speeds are tested at full load. The hooks are heavy forged alloy with safety latches. Inspection ports allow internal checks.

Comparison of Yuantai Electric Chain Hoist Configurations

How to Choose the Right Electric Chain Hoist

Selecting an electric chain hoist involves matching the hoist's capabilities to your operating needs. Consider these factors:

• Lifting Capacity and Load: Always choose a hoist with a rated capacity at or above the heaviest load you expect, including any attachments. Industrial chain hoists use Grade-80 alloy chains (proof-tested at ≥5× rated load) and typical safety factors of 4–5:1. For critical overhead lifting (e.g. above people), higher safety factor (8:1) and dual brakes may be used (D8+ standard). Specify exactly your maximum load and any dynamic forces (shock, crane acceleration) when requesting a quote.

• Duty Cycle and Service Class: Electric hoists are given duty classes (H2 light, H3 general, H4 heavy, per Hoist Manufacturers Institute standards) based on how often and how long they will run. In a light-shop use, H3 (15 min/hr, 150 starts/hr) may suffice; for production or foundry, choose H4 or higher (30 min/hr, 300 starts/hr). Yuantai's hoists are designed for continuous industrial use (often Class M4–M5 in FEM terms). Tell the manufacturer your expected usage hours per shift and start frequency so the correct duty-rating motor is supplied.

• Speed (Single vs Dual): Determine if you need one speed or two. Single-speed hoists lift fairly fast but have less precision. Dual-speed hoists (with a slow "creep" function) let you control loads more finely for final positioning. If your operation involves delicate placement (molds, engines), dual speed is advantageous. (Note: dual-speed motors increase cost and complexity.)

• Mounting Method: Decide how the hoist will attach to your structure:

  • Top Hook/Lug (no trolley): If you need only vertical lift in one spot, a hook-type hoist (suspended from a crane trolley or fixed point) is simplest. Allows easy repositioning of the hoist unit but no lateral travel.

  • Push/Geared Trolley: For some horizontal travel with minimal cost, a hand- or geared-push trolley works (as in our manual-trolley hoist). Suitable for lighter loads and short spans.

  • Motorized Trolley: For frequent/long travel, motor-driven trolleys are best. They require more setup (power lines on the bridge/runway) but greatly increase efficiency.

• Headroom Constraints: Measure the vertical space from beam to floor when the load hook is fully lowered. If this is limited, choose a low-headroom design. The body of a standard hoist is typically located below the crossbeam, while a low-headroom hoist features a more compact design that raises the position of the sprocket compared to a standard hoist, thereby increasing the lifting height.

• Operating Environment: Will the hoist be outdoors or in dusty/wet conditions? If so, order an appropriate IP rating (seals, covers) or weatherproofing. For example, IP54 protects against light dust/splashes; IP65 is needed for heavy washdowns. If in a hazardous (explosive) atmosphere, mandatory use an explosion-proof hoist with certified enclosures.

• Power Supply: Ensure your facility's power matches the hoist motor: Yuantai hoists use 3-phase 240–440 V (50/60 Hz). Single-phase is only for very light units (not typical industrial models). In locations with unstable power, discuss options like star/delta starting or soft starters.

• Span and Beam Size: If using a trolley, check the beam profile (I-beam height and flange width). Yuantai provides trolley units matched to standard beams. Provide your beam specs so the trolley wheels and clamps fit properly.

• Frequency of Lifts: For intermittent light use (maintenance once a week), a standard duty hoist is fine. For a production line lifting every few minutes, invest in a heavy-duty hoist and motor. This avoids overheating and shutdowns.

• Regulatory Compliance: If your project requires certain certifications (CE, ANSI, etc.), inform Yuantai at quote time. Standard models are CE-compliant; special environments may need UL/CSA or other local approvals.

Use the table above and these considerations to choose the model that best matches your operation. If undecided, you can also describe your workflow to Yuantai's engineers—we can recommend a configuration.

Key Components of an Electric Chain Hoist

All Yuantai electric chain hoists share core components designed for reliability:

• Electric Motor & Gearbox: A three-phase motor (often dual-speed) drives a helical-bevel gearbox for quiet, efficient lifting. The gearbox is oil-bath sealed for long life. On low-head or EU models, the motor may be positioned to the side. Explosion-proof hoists use flameproof (Ex d) motors with built-in DC brakes.

• Load Chain: Yuantai uses imported high-strength heat-treated alloy steel chain (FEC/G80). Grade-80 chain offers excellent fatigue and abrasion resistance. Links are shot-peened and magnetically tested for cracks. The chain is rated with a high safety factor (typically 4:1 or better). Periodic chain inspections for wear/elongation are recommended per standards.

• Hook and Load Block: Forged alloy steel hooks (top and bottom) with 360° swivel and heavy-duty safety latches. Hooks are nickel-plated for corrosion resistance and to avoid sparks. The load block (sheave) is machined for smooth chain travel. Explosion-proof hoists use non-sparking materials (bronze, nylon) for sheaves and bearings.

• Brake System: A spring-set, electrically-released disc brake on the motor shaft holds the load at all times. If power fails, the brake engages automatically to prevent descent. Brake gaps are adjustable. In a few designs, a mechanical load-holding latch is added.

• Control System: Standard pendant (push-button) with low-voltage control (24–48 V) for operator safety. Explosion-proof models use certified Ex-rated pendant enclosures. Optional remote or radio control can be provided. The electrical box includes contactors, thermal overloads, and fuses (in flameproof boxes for Ex models). Motors include thermal protectors to prevent overheating.

• Limit Switches: Upper and lower travel limit switches cut power at end limits, preventing over-hoist or over-lower conditions. They are adjustable and enclosed. For added safety, many hoists also allow an optional slip-clutch or load limiter to protect against overloading.

• Chain Container: A sturdy basket or bag holds excess chain, preventing it from interfering with operations. Yuantai's designs ensure the chain is neatly guided into the container as the hook is raised.

These components help ensure that the chain hoist performs smooth and precise lifting operations. For example, the imported alloy chain and disc brake combine to offer stable, low-wear operation. The fully enclosed housing (with cooling ribs) protects the motor in dusty environments. All electrical parts meet safety certifications (e.g. CE).

Installation, Commissioning, and Maintenance

1. Installation Tips

Yuantai hoists can be installed by a qualified rigging crew. For hook-type units, attach to a structural beam or crane trolley rated above the hoist load. Ensure the suspension hook/lug is secured with proper pin or shackle. For trolley-mounted hoists, clamp or bolt the trolley wheels to a suitable I-beam. Align the hoist so the chain feeds into the chain container without kinks. Provide a power cable to the hoist (and trolley if motorized); use flexible cable carriers or festoon systems for moving trolleys. Check that the beam is adequately rated for the total weight and that end stops on the runway exist.

2. Commissioning

Before first use, perform a no-load run to check direction, controls, and limit-switch operation. Next, conduct a test lift with a representative load (often 125% of rated load) under supervision. Verify that brakes hold the load securely when power is off and that the hoist can lift full speed without overheating. Confirm all emergency stops and pendant functions work. Finally, adjust the upper/lower limit switches for safe travel range. Document these tests as required by local regulations.

3. Maintenance

Regular inspection is vital for safe chain hoist operation. OSHA and ANSI guidelines recommend:

• Daily/Before-Shift: Visually inspect the chain for wear, kinks, or corrosion. Check hooks for straightness and latches for spring action. Ensure limit switches trip properly at travel ends. Test the emergency stop and brake function. Check for any unusual noises during a slow lift/lower.

• Monthly: Conduct a more thorough check. Inspect the gearbox for lubricant leaks, and brake for proper holding torque. Verify all bolts/screws are tight. Look for loose wiring or damage. Record this inspection in a log. Specifically, OSHA states: "Hoist chains, including end connections, … Visual inspection daily; monthly inspection with a certification record".

• Annually: Perform a load test to verify the hoist's rated capacity (often required by OSHA/CE). Replace the chain if its measured elongation exceeds 1% or if wear is beyond manufacturer's limits. Lubricate the gearbox if applicable (Yuantai gearboxes are generally sealed). Check and replace any worn travel wheels or pinions. Test electrical insulation and grounding.

A well-maintained chain hoist will deliver years of service. Yuantai hoists are designed for straightforward service. For example, the Euro-style models allow inspection of the gearbox by simply removing captive screws on side panels. Keep spare parts handy (e.g. chains, fuses) and follow Yuantai's service manual recommendations to maximize uptime.

Safety and Standards

As you integrate a chain hoist into your workflow, be aware of the relevant safety standards:

• CE & ISO Standards: Yuantai hoists carry the CE mark, indicating compliance with the EU Machinery Directive. Key standards include EN ISO 12100:2010 (general machine safety design) and EN 14492-2:2019 (power-driven hoists). These cover structural strength, stability, and basic safety features. Hoist electrical equipment meets EN 60204-32 requirements. Similarly, international standard ASME HST-1 defines performance for chain hoists using roller/welded chains in hook/trolley suspension.

• Load and Duty Ratings: Chains and hooks are marked with their grade and capacity. Follow ASME B30.16 guidelines: the hoist's rated load defines the maximum working load. Never exceed this, and ensure the supporting beam or structure is rated for the combined load plus dynamic factors. Yuantai hoists are typically rated for heavy industrial use (similar to H3/H4 class). When buying, confirm the duty class if you have continuous operations.

• Explosion-Proof Certification: Explosion-proof hoists must meet specific standards. Yuantai's models comply with Chinese GB 3836.1-2010/3836.2-2010 (for gas atmospheres) and international ATEX (e.g. ATEX 94/9/EC) and IECEx requirements. For example, a hoist marked Ex d IIB T4 Gb is approved for Zone 1 gas (Group IIB, max temperature class T4). If your site has special permits (Zone 2 or IIC gas group, or Zone 21/22 dust), specify these so Yuantai can supply the correct variant.

• Inspection and Operation: OSHA standard 1910.179 requires regular inspections of hoists and chains. Specifically, "hoist chains… [shall be inspected] daily… and [monthly with] a record of inspection". Always operate the hoist per instructions: ensure the chain hangs vertically (no side-pull), don't shock-load, and lower gently near the hook end. The built-in limit switches protect against overrunning, but always turn off power and secure the load before leaving the hook.

By following these standards and Yuantai's guidelines, you ensure maximum safety for your team and compliance with regulations. Yuantai can provide documentation (test certificates, CE declarations) when you order.

Customization and Quotation Checklist

To help Yuantai recommend a suitable electric chain hoist and prepare a quotation, please provide the following information:

• Lifting Capacity: Maximum load weight in tons.

• Lifting Height: Required vertical lifting distance in meters.

• Power Supply: Available power supply voltage, such as 220V, 380V, or 415V.

• Working Environment: Indoor or outdoor use? Please also specify any special conditions, such as high temperatures, high humidity, dust, or hazardous areas.

With this information, Yuantai's engineers can evaluate your requirements and recommend a suitable chain hoist configuration. Contact us to discuss your lifting application and request a quotation.

FAQs (Electric Chain Hoists)

Q1: What is an electric chain hoist and how does it work?
A: It's a motor-driven lifting device that uses a metal chain and sprockets to raise/lower loads. An electric motor drives a gearbox and drum, pulling the chain through a guide. The free-hanging chain loops over a load hook. As long as power is applied via the pendant, the load moves smoothly. It's essentially an electric-powered chain block. The key advantage is that it relieves manual effort and provides consistent lifting speed.

Q2: How do I choose between a hook-type hoist and a trolley hoist?
A: If you only need to lift in one spot (or move the hoist manually to another spot occasionally), a hook-suspension hoist (no trolley) is simpler and less expensive. If you need to move loads along a beam, use a trolley. A manual trolley allows you to push the hoist by hand (best for lighter loads and short spans), while a motorized trolley gives powered travel for heavier loads or long spans. Check table above to see how they compare in cost and capability. In general, ask: Do you need horizontal travel? How often? That decides if a trolley is worth it.

Q3: What is low headroom and do I need it?
A: "Headroom" is the clearance from the hook (when fully raised) to the underside of the beam. If your ceiling or overhead structure is low, a standard hoist may not lift your load as high as needed. A low-headroom hoist rearranges the motor to save space. If your application involves tall loads in a confined ceiling height, low headroom can let you lift higher without altering the building. Otherwise, a standard hoist on a trolley might suffice.

Q4: What is an explosion-proof chain hoist?
A: It's a hoist built so that it cannot ignite flammable gases or dust in the area. All electrical parts and the motor are in flameproof enclosures. It's certified for zones 1/2 (gas) and 21/22 (dust) with marked ratings (like Ex d IIB T4). You need this if your plant handles volatile chemicals, fuels, or fine organic dusts. Yuantai's explosion-proof models meet ATEX and IECEx standards, ensuring safe operation in hazardous atmospheres.

Q5: How safe is a chain hoist? What safety features should I look for?*
A: Very safe when used correctly. Look for these features:

• Grade-80 chain (fatigue-resistant) and a high safety factor design.

• Upper/lower limit switches to stop the hoist at endpoints.

• Thermal overload or slip-clutch to prevent motor burnout from excessive use.

• Emergency stop on the pendant.

• Quality brake that engages instantly when power is cut.

• IP-rated enclosure if dusty/wet conditions.
  Yuantai hoists include these by design. For ultimate safety in lifting people, note that hoists are not certified for lifting people; always use man-rated equipment when needed.

Q6: What maintenance does an electric chain hoist require?
A: Besides daily visual checks, you should routinely inspect and service the hoist. Keep the gearbox lubricated per Yuantai's instructions, and ensure the chain is clean and oiled lightly. Replace the chain when stretched beyond limits. Check brake adjustment and clearances yearly. Yuantai can provide a maintenance manual. Following the inspection intervals (daily, monthly, annual) avoids surprises. (Failing to inspect is a leading cause of accidents.) For example, OSHA requires daily visual inspections of the chain and monthly recorded inspections.

Q7: How does Yuantai ensure product quality and compliance?
A: Yuantai Crane has ISO 9001-certified production and subjects each hoist to rigorous testing. Every unit undergoes a load test before shipping. Our CE marking means each hoist complies with EU safety/directive requirements (design, electric, mechanical). We also have SGS/TUV certifications, and we can provide test reports or third-party certificates on request. Design details (e.g. chain grade, motor class) are documented, but always request the specific certificates you need for your project.

Q8: How quickly can I get these hoists? (Lead time and support)
A: Lead time depends on model and quantity. Yuantai maintains inventory of common models (especially up to 10 t) but larger custom units or explosion-proof configurations may need fabrication. We advise contacting Yuantai early with your specs so we can reserve production slots. After sale, Yuantai provides installation guidance and spare parts worldwide.