Our Products

Comprehensive range of industrial transmission solutions for various applications

ZLYJ Extruder Gear Reducer (for Plastic & Rubber)

Key Features

  • Integrated heavy-duty thrust bearing design
  • High torque density and compact structure
  • Case-hardened and ground gears
  • High transmission efficiency
  • Excellent axial load capacity
  • Low vibration and low noise operation
  • Long service life
  • Suitable for continuous industrial production

Technical Specifications

Center Distance112 – 800 mm
Ratio (i)6.3 – 20 (ZLYJ) / 22.4 – 100 (ZSYJ)
Rated Output Torque510 – 183,600 N·m
Input Power15 – 825 kW (depending on model)
Max. Axial Thrust35 – 1,200 kN
Gear HardnessHRC 54 – 62
Gear AccuracyISO 6–7 (GB10095 Class 6)
Gear Material20CrMnTi / 20CrNi2MoA, case carburized, quenched, ground
Thrust BearingHeavy-duty thrust bearing at output shaft front end
HousingCast iron or welded steel
Bearing BrandsHRB / ZWZ (SKF / FAG optional upon request)
Seal TypesNBR / FKM double oil seal
LubricationOil bath + splash; forced circulation with pump for ZLYJ280 and above
Input Speed Limit≤ 1,500 rpm
Ambient Temp Range0 – 35°C (heating/cooling options available)

Cylindrical Gear Reducer

Key Features

  • Available in 1–4 stage configurations
  • Wide ratio range
  • High load carrying capacity
  • Precision ground gears
  • High efficiency up to 98.5%
  • Flexible mounting arrangements
  • Suitable for harsh industrial environments

Technical Specifications

Gear Stages1 / 2 / 3 / 4 Stage
Ratio (i)1.25 – 500
Rated Input PowerUp to 5,000 kW
Rated Output Torque4,800 – 1,000,000 N·m
Transmission Efficiency90% – 98.5%
Input Speed≤ 1,500 rpm
Gear Material20CrMnTi / 20CrMo
Gear HardnessHRC 58 – 62
Gear AccuracyISO 1328 Grade 7–8
Housing MaterialHT250 / QT450 / Welded Steel
Bearing BrandsHRB / ZWZ / SKF / FAG
Seal TypeNBR / FKM
LubricationSplash / Forced Circulation
Noise Level≤ 85 dB(A)
Ambient Temperature-40°C ~ +45°C

ZJ Series Conical Twin-Screw Extruder Gearbox

Key Features

  • Optimized for PVC processing
  • High axial thrust capacity
  • Precision ground gears
  • Multi-row thrust bearing arrangement
  • Stable twin-screw synchronization
  • Reliable continuous-duty operation

Technical Specifications

Ratio (i)8 – 57
Rated Input Power4 – 200 kW
Rated Output Torque600 – 43,000 N·m
Max. Axial Thrust41 – 590 kN
Gear MaterialAlloy Steel
Gear HardnessHRC 58 – 62
Gear AccuracyISO 1328 Grade 6
Output Shaft TypeInvolute Spline
Bearing ArrangementMulti-Row Thrust Bearing Design
Housing MaterialCast Iron
LubricationSplash / Forced Circulation
Cooling SystemOptional Water Cooler
Noise LevelLow Noise Design
Ambient Temperature0°C ~ +40°C

PJT Series Parallel Twin-Screw Gearbox

Key Features

  • High torque density
  • Compact gearbox design
  • Precision synchronized output
  • High-strength alloy steel gears
  • Reliable thrust load handling
  • Long service life

Technical Specifications

Ratio (i)3.55 (Typical)
Input SpeedUp to 1,500 rpm
Output Speed300 – 450 rpm
Max. Output Torque636 – 1,729 N·m per Shaft
Max. Axial Thrust25 – 32 kN
Gear MaterialLow-Carbon Alloy Steel
Gear HardnessHRC 58 – 62
Gear AccuracyISO 1328 Grade 6
Output Shaft MaterialHigh Strength Alloy Steel
Bearing DesignTandem Cylindrical Roller Bearing
Housing MaterialCast Iron
LubricationFull Immersion / Forced Circulation
Cooling SystemShell-and-Tube Cooler Optional
Torque DensityUp to 13 Nm/cm³

YM and ML Series Hardened-Surface Gearbox for Internal Mixers

Key Features

  • Designed for intensive mixing duty
  • High shock-load resistance
  • Reversible operation
  • Heavy-duty roller bearings
  • High torque output
  • Long service life

Technical Specifications

Mixer Capacity35L – 270L
Rated Input Power75 – 1,000 kW
Rated Output TorqueUp to 800,000 N·m
Input Speed≤ 1,500 rpm
Gear MaterialLow-Carbon Alloy Steel
Gear HardnessHRC 58 – 62
Gear AccuracyISO 1328 Grade 6–7
Housing MaterialHeavy-Duty Cast Iron
Output Shaft TypeSplined Shaft
Bearing DesignHeavy-Duty Roller Bearings
Overload Capacity≥ 200%
LubricationOil Bath
Operating DirectionReversible
Ambient Temperature-40°C ~ +45°C

YK Series Gearbox for Rubber Open Mills

Key Features

  • High impact load resistance
  • Optimized for open mill duty
  • Reversible operation
  • Precision gear transmission
  • Heavy-duty bearing system
  • Long operational life

Technical Specifications

Roll Diameter Range250 – 710 mm
Cylindrical Gear AccuracyISO 1328 Grade 6
Bevel Gear AccuracyISO 1328 Grade 7
Gear MaterialAlloy Steel
Gear HardnessHRC 58 – 62
Housing MaterialCast Iron / Welded Steel
Output Shaft TypeKeyed / Splined Shaft
Bearing DesignHeavy-Duty Shock Load Type
Overload Capacity≥ 200%
Seal TypeNBR / FKM
Operating DirectionReversible
Service Factor1.8 – 2.5
LubricationOil Bath

Gearbox Spare Parts

Key Features

  • OEM replacement parts available
  • Precision machining and gear grinding
  • Fast delivery for critical components

Available Parts

Gears • Pinions • Shafts • Housings • Bearings • Couplings • Seals

Technical Specifications

Gear DiameterUp to 3000 mm
Module Range2 ~ 40
Gear AccuracyISO 1328 Grade 6–7
Gear HardnessHRC 54 – 62
Shaft LengthUp to 6000 mm
Shaft DiameterUp to 1000 mm
Heat TreatmentCarburizing / Nitriding / Quenching
Material Options20CrMnTi / 42CrMo / 40Cr
InspectionCMM & Gear Tester
Weight CapacityUp to 20 Tons

Motors & Drive Components

Available Products

  • Low Voltage Motors
  • High Voltage Motors
  • Explosion-Proof Motors
  • Variable Frequency Motors
  • Brake Motors
  • Variable Frequency Drives (VFD)

Technical Range

Power0.12 – 20,000 kW
Voltage220 V – 13.8 kV
Frame SizeIEC 56 – 1600
Speed100 – 3600 rpm
EfficiencyIE2 / IE3 / IE4 / IE5
ProtectionIP55 – IP66
MountingB3, B5, B35, B14, V1, V3 & Custom
Frequency50 Hz / 60 Hz
CertificationCE, ATEX, IECEx, CCC

Need Custom Solutions?

We provide non-standard customization and OEM services to meet your specific requirements

Contact Our Team