Which Chinese Motor and Gearbox Brands Are Worth Considering?

For waste and plastic recycling machinery, buyers can start by evaluating industrial motor manufacturers such as Wolong, Wannan Motor, Jiangsu Dazhong and Nanyang, alongside gearbox specialists such as Guomao, NGC, Tailong and Taixing. The right choice depends on the machine’s torque requirements, operating conditions, load characteristics and maintenance needs—not simply the brand name.

An electric motor converts electrical energy into mechanical power, while a gearbox or gear reducer adjusts rotational speed and torque to suit the driven equipment. Some machines use a motor and reducer as a combined drive unit; others require a separate heavy-duty gearbox. This guide compares manufacturers by product specialization and application suitability, with official company resources provided where available. It is a practical shortlist, not an official industry ranking.

Leading 5 Chinese Industrial Motor Manufacturers

Industrial motors power shredders, crushers, conveyors, washing systems and plastic pelletizing lines. When evaluating a motor supplier, buyers should examine rated power, starting torque, insulation class, cooling method, efficiency, duty rating and compatibility with the intended power supply.

1. Wolong motor

Wolong is a major Chinese motor and drive-system manufacturer with a broad portfolio that includes low-voltage motors, high-voltage motors, generators and drive controls. Its products serve industries including metallurgy, oil and gas, chemicals, coal and other industrial sectors.

Potential applications: Large recycling plants, heavy-duty shredders, crushers, industrial conveyors and high-power process equipment.

What to verify: The exact motor series, rated torque, starting characteristics, efficiency class, inverter compatibility and local service arrangements.

Official website: https://www.wolong-electric.com/

2. Wannan Motor (Widely Used in HuaZhao Recycling Machinery)

Wannan Motor is a Chinese industrial motor manufacturer worth considering when comparing conventional industrial drive solutions. Buyers should request the manufacturer’s current catalog and technical documentation to identify the appropriate motor series for their equipment.

Potential applications: Plastic crushers, washing-line pumps, conveyors, mixers and auxiliary equipment.

What to verify: Rated power and speed, mounting configuration, efficiency, insulation and temperature-rise limits, and suitability for continuous industrial operation.

Official website: https://www Wannan-motor.com/

3. Jiamusi Electric (JEM)

Jiamusi Electric, officially known as Harbin Electric Corporation Jiamusi Electric Machine Co., Ltd., is a Chinese industrial motor manufacturer with a long history in motor production. Its product portfolio includes high-voltage motors, explosion-proof motors, synchronous motors and specialized motors for demanding industrial applications.

Potential applications: Industrial shredders, large crushers, heavy-duty conveyors and recycling plants requiring high-power motors, subject to confirmation of the selected motor series.

What to verify: Rated power, starting torque, voltage, insulation class, cooling method, duty rating, inverter compatibility and applicable certification requirements.

For hazardous-area installations, confirm that the selected motor’s explosion-protection certification matches the actual site classification and operating conditions.

Official website: https://en.jemlc.com/

4. Jiangsu Dazhong Motor

Jiangsu Dazhong Motor is another manufacturer to investigate for industrial motor applications. Its suitability should be assessed against the specific power range and operating conditions required by the máquina de reciclagem.

Potential applications: Conveyors, crushers, pumps and general-purpose industrial machinery, subject to confirmation of the selected model.

What to verify: Current product availability, motor efficiency, starting performance, frame dimensions and compatibility with the machine’s electrical system.

Official product catalogs and technical datasheets should be obtained directly from the manufacturer before specifying a model.

5. Shanghai Electric

Shanghai Electric is a large Chinese industrial equipment group with activities across power generation, industrial equipment and related engineering fields. Buyers should distinguish its broader industrial capabilities from the availability of a particular motor model.

Potential applications: Large industrial projects where motor supply forms part of a broader engineering or equipment package, subject to product-specific confirmation.

What to verify: The actual manufacturing entity, motor product range, rated power, technical support and spare-parts arrangements.

Motor selection tip: For recycling machinery, the best motor is not necessarily the one with the highest power rating. The starting method, overload characteristics and ability to withstand the machine’s real operating cycle are equally important.

2026 Top 10 Chinese Industrial Motor Manufacturers

This list focuses on industrial motors and equipment integration. The market position of household motor manufacturers or electric vehicle motor manufacturers is not directly equated with their capabilities in industrial motor applications.

Industry sources frequently identify WOLONG, JIAMUSI, and WANNAN as important manufacturers in China’s industrial motor market.

Leading 5 Chinese Gearbox and Gear Reducer Manufacturers

A gearbox is often the component that determines whether a recycling machine can deliver the required torque reliably. Buyers should distinguish between general-purpose reducers, heavy-duty industrial gearboxes and gearboxes specifically designed for plastic extruders.

1. Guomao Reducer (Widely Used in HuaZhao Recycling Machinery)

Jiangsu Guomao Reducer offers a broad industrial transmission portfolio, including helical gear reducers, geared motors, planetary gearboxes and the ZLYJ series for rubber and plastic extruders.

Its ZLYJ series is particularly relevant when specifying a gearbox for a single-screw plastic extrusion and pelletizing system.

Potential applications: Plastic extruders, conveyors, mixers, general industrial machinery and selected heavy-duty drive systems.

What to verify: Rated output torque, thrust-bearing capacity for extrusion service, permissible input speed, thermal capacity, lubrication and mounting requirements.

Official website: https://www.guomaoglobal.com/

2. NGC — Nanjing High Speed Gear Manufacturing

NGC specializes in gearbox and power-transmission technology. Its portfolio covers industrial applications including metallurgy, material processing, mining, petrochemicals and rubber and plastic machinery.

Potential applications: Large recycling plants, heavy material-processing equipment, high-load industrial drives and projects requiring an engineered transmission solution.

What to verify: Whether the selected series is designed for the actual shock loads, operating cycle, ambient temperature and torque requirements of the recycling machine.

Official website: https://www.ngcgears.com/en/

3. Ningbo DONLY

Ningbo DONLY is a Chinese transmission-equipment manufacturer offering industrial gearboxes, geared motors and specialized transmission solutions. Its product portfolio includes general-purpose industrial gearboxes and application-specific drive systems, making it a relevant supplier to investigate for industrial material-processing equipment.

Potential applications: Industrial conveyors, material-handling systems, mixers and selected recycling machinery, depending on the gearbox series and load requirements.

What to verify: Rated output torque, service factor, permissible shaft loads, thermal capacity, lubrication requirements and suitability for shock-loaded operation.

Official website: https://www.donly.com/

4. Chongqing Gearbox Co., Ltd. (CQG)

Chongqing Gearbox Co., Ltd., commonly known as CQG, specializes in the research, development and manufacture of high- and low-speed heavy-duty gearboxes. Its products serve demanding sectors such as marine engineering, energy, cement production, metallurgy and other heavy industrial applications.

Potential applications: Large-scale industrial transmission systems, heavy material-processing equipment and selected solid-waste treatment projects, subject to confirmation of the required drive configuration.

What to verify: Rated torque, gear configuration, operating speed, shock-load conditions, cooling and lubrication requirements, installation dimensions and long-term maintenance support.

Official website: https://www.chongchi.com/

5. SEW-EURODRIVE — International Benchmark for Industrial Drive Technology

SEW-EURODRIVE is a German drive technology manufacturer known for its industrial gear units, geared motors, frequency inverters and integrated drive solutions. Its portfolio covers applications ranging from conveyors and material handling to demanding heavy-industry operations.

Potential applications: Industrial recycling plants, conveyors, crushers, material-handling systems and other machinery requiring standardized drive solutions and international technical support, subject to model suitability.

What to verify: Rated output torque, service factor, shock-load capacity, thermal performance, mounting configuration, local spare-parts availability and service coverage in the destination country.

Why consider SEW-EURODRIVE? Its international production and service network makes it a useful benchmark for buyers who prioritize standardized drive technology, engineering support and overseas after-sales service.

Official website: https://www.sew-eurodrive.com/

2026 Top 10 Chinese Gearbox Manufacturers

The following list is organized according to their relevance for industrial transmission procurement. It is a practical reference list, not an official industry ranking.

Reference: Chinese gearbox brand information and manufacturers’ product portfolios.

Recommended gearbox suppliers for recycling machinery

• Plastic crushers and conveyor systems: GUOMAO and JIE are worth considering for general-purpose transmission applications.

• Single-shaft and twin-shaft shredders: Prioritize TAILONG, GUOMAO, and DONLY. For larger, heavy-duty shredders, consider evaluating manufacturers such as NGC.

• Plastic pelletizing extruders: Prioritize manufacturers offering gearboxes specifically designed for extrusion applications. Verify the availability and suitability of the ZLYJ series or dedicated twin-screw extruder gearboxes.

Important: A gearbox suitable for a conventional conveyor may not be suitable for a heavy-duty shredder. When comparing suppliers, evaluate rated output torque, service factor, shock-load resistance, thermal capacity, bearing configuration, and compatibility with the motor and machine operating speed.

Which Brands Suit Recycling Machinery?

Different recycling machines place different demands on their drive systems. The following table summarizes the main selection priorities.

Shredder: Prioritize Torque and Shock-Load Capacity

A plastic or industrial-waste shredder may experience sudden load increases when bulky material enters the cutting chamber. A suitable drive system must be selected according to the rotor design, cutting geometry, material characteristics and intended throughput.

Do not select a gearbox using motor kilowatts alone. Confirm the output torque and the manufacturer’s permitted shock-load conditions. Where the design requires a torque limiter, hydraulic protection or automatic reversal, these features must be evaluated as part of the complete drive system.

Crusher: Match Power to Rotor Speed

Plastic crushers commonly operate at higher rotor speeds than low-speed shredders. Motor selection must account for rotor inertia, blade arrangement, screen size and the material being processed.

A larger motor is not automatically better. Excessive starting current, inadequate protection or an unsuitable drive arrangement can create electrical and mechanical problems.

Single-Screw Pelletizing Machine: Use an Extruder-Specific Gearbox

A single-screw extruder gearbox must transmit rotational torque while accommodating the axial thrust generated during extrusion. This is why specialized extruder gearboxes, such as the ZLYJ series offered by Guomao, deserve particular attention.

Buyers should verify continuous output torque, thrust-bearing capacity, oil lubrication, heat dissipation and the intended screw speed.

Twin-Screw Pelletizing Machine: Check the Complete Gearbox Design

Twin-screw extrusion can require a more specialized transmission design, depending on whether the screws are co-rotating or counter-rotating, their geometry and the process load.

Do not assume that a single-screw ZLYJ gearbox is suitable for a twin-screw extruder. Request a gearbox specifically designed for the actual twin-screw configuration, with documented torque ratings, load distribution and thermal performance.

How to Select a Motor and Gearbox

1. Confirm the Required Power

Motor power is commonly specified in kilowatts (kW). The required power depends on material characteristics, throughput, machine geometry, operating speed and mechanical losses.

For an existing machine, begin with the manufacturer’s design data and actual operating measurements. For a new machine, obtain a calculation based on the intended process instead of choosing a motor solely by comparing nominal capacity.

2. Calculate Output Torque

For a rotating shaft, the relationship between power, rotational speed and torque is:

[
T = \frac{9550P}{n}
]

Where:

• (T) = torque in N·m
• (P) = mechanical power in kW
• (n) = rotational speed in rpm

This equation provides the nominal torque corresponding to power and speed. It does not, by itself, account for shock loads, starting torque, service factor or the gearbox’s mechanical limits.

3. Select the Appropriate Service Factor

The service factor helps account for operating conditions beyond a nominal steady load. The required value depends on factors such as load variation, operating hours, starts per hour and the consequences of overload.

A shredder with irregular, impact-heavy loading may require a different design approach from a conveyor with a relatively uniform load. Follow the gearbox manufacturer’s application-specific selection method rather than applying one universal service factor to every machine.

4. Confirm the Duty Rating

Continuous recycling operations may require motors rated for continuous duty, commonly designated S1 when the applicable IEC duty classification is used.

However, frequent starting, intermittent overload, reversing and variable-speed operation may require additional thermal and electrical checks. Verify the complete duty profile instead of assuming that an S1 nameplate alone proves suitability for every application.

5. Check Cooling and Inverter Operation

Variable-frequency drives can help control starting, speed and process load, but motor cooling and low-speed torque must be checked.

A shaft-mounted fan may provide less cooling when the motor operates at low speed. Depending on the application, independent cooling or a different motor configuration may be needed.

For the gearbox, check lubrication performance, permissible input speed and heat dissipation across the intended operating range.

6. Confirm Export and Installation Requirements

For machinery supplied internationally, confirm:

• Supply voltage, frequency and three-phase requirements.
• IEC or other applicable motor and electrical standards.
• Required efficiency class and any local energy-efficiency regulations.
• IP protection rating and insulation class.
• Terminal-box position, mounting dimensions and cable-entry arrangement.
• Required hazardous-area certification, if applicable.
• Availability of manuals, wiring diagrams, spare parts and after-sales support.

CE marking, IEC standards and local regulatory approvals are not interchangeable. The requirements depend on the destination market, equipment configuration and applicable legislation.

Final Recommendation

For waste and plastic recycling machinery, select the motor and gearbox as one engineered drive system rather than as two independent catalog items.

Start by identifying the actual load profile and required output torque. Then shortlist manufacturers with relevant product series, request model-specific datasheets and drawings, and confirm technical support and spare-parts availability in the destination market.

For equipamentos de peletização de plástico, give particular attention to extruder-specific gearbox design. For shredders, prioritize torque capacity and shock-load handling. For crushers and conveyors, match power, speed, duty and environmental protection to the actual operating conditions.