About New Yinye Transmission

Jiangsu New Yinye Transmission Electromechanical Co., Ltd. (NYY / New Yinye Transmission) has brand heritage dating back to 1993, while the current legal entity was incorporated on April 25, 2003. Located in Wuxi, Jiangsu, China, New Yinye Transmission specializes in build-to-print manufacturing of large, high-precision, complex, and non-standard industrial gears and transmission components.
The company operates an approximately 25,000 m² manufacturing facility and serves customers requiring customized production based on engineering drawings, technical specifications, and quality requirements.
Our main products include cylindrical gears, spur gears, helical gears, double helical and herringbone gears, ring gears, internal gears, spiral bevel gears, straight bevel gears, pinion shafts, gear shafts, spline shafts, spline couplings, machine spindles, and custom precision gearboxes.
New Yinye Transmission is equipped for large CNC gear cutting, gear shaping, precision gear grinding, five-axis machining, turn-mill machining, and precision finishing. The maximum gear grinding diameter is approximately 2,500 mm, with a maximum module of approximately 45 mm. For applicable products, accuracy can reach AGMA 12, DIN 5, or higher, subject to gear type, size, material, structure, and process review.
Our inspection capabilities cover tooth profile, lead, pitch, radial runout, surface roughness, material composition, hardness, mechanical properties, ultrasonic testing, phased-array ultrasonic testing, grinding-burn inspection, micro-magnetic testing, large-component dimensional inspection, dynamic balancing, and bevel-gear rolling contact inspection.
Inspection records, material documents, gear accuracy reports, hardness records, non-destructive testing documents, and final inspection reports can be provided according to customer drawings, technical agreements, and project requirements.
NYY products are used in industrial gearboxes, wind power, mining equipment, metallurgical equipment, cement machinery, power generation equipment, machine tools, railway and locomotive equipment, engineering machinery, feed and biofuel machinery, canning machinery, and other heavy-duty industrial transmission applications.
The company supports OEM manufacturing, long-term supply programs, contract manufacturing, capacity outsourcing, and second-source projects for medium-sized and large industrial customers with clearly defined drawings and quality requirements.
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World-Class Team
Graduates from top universities worldwide
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Advanced R&D
Self-developed
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Innovation Focus
Multiple innovative technologies

Our Products

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Large-Diameter Ring Gear

Large-Diameter Ring Gear

Model: YL-Series
Parameters: 9387177343

Build-to-Print Internal Ring Gears With Bolt Holes – Up to 2500 mm OD, AGMA 12

Build-to-Print Internal Ring Gears With Bolt Holes – Up to 2500 mm OD, AGMA 12

Model: Custom / Build-to-Print
Parameters: 0601814673

Build-to-Print External Ring Gears – Thin-Section, AGMA 12, 2500 mm OD

Build-to-Print External Ring Gears – Thin-Section, AGMA 12, 2500 mm OD

Model: Custom / Build-to-Print
Parameters: 7569629493

Planet Gear

Planet Gear

Model: YL Series
Parameters: 9079879037

Custom Wind Power Planet Gear - High Load Capacity for Main Gearboxes

Custom Wind Power Planet Gear - High Load Capacity for Main Gearboxes

Model: Custom Model Based on Customer Drawing
Parameters: 679985076X

Custom Mining Planet Gear - Heavy Load and Impact Resistant for Gearboxes

Custom Mining Planet Gear - Heavy Load and Impact Resistant for Gearboxes

Model: Custom Model Based on Customer Drawing
Parameters: 1756371318

Custom High-Precision Industrial Gears

Custom High-Precision Industrial Gears

Model: YL-series
Parameters: 8143674215

Build-to-Print High-Precision Spiral Bevel Gears for Heavy-Duty Applications

Build-to-Print High-Precision Spiral Bevel Gears for Heavy-Duty Applications

Model: Custom Model Based on Customer Drawing
Parameters: 6931894595

Custom High-Precision Helical Gears for Wind Power and Machine Tools

Custom High-Precision Helical Gears for Wind Power and Machine Tools

Model: Custom Model Based on Customer Drawing
Parameters: 2909617483

Build-to-Print Precision Spur Gears for Industrial Gearboxes

Build-to-Print Precision Spur Gears for Industrial Gearboxes

Model: Custom Model Based on Customer Drawing
Parameters: 1319200133

Bevel Gears

Bevel Gears

Model: YL series
Parameters: 5091415947

Up to AGMA 12 Accuracy Custom Spiral Bevel Gears for Machine Tools

Up to AGMA 12 Accuracy Custom Spiral Bevel Gears for Machine Tools

Model: Custom Model Based on Customer Drawing
Parameters: 863682897X

Heavy-Duty Custom Bevel Gears for Marine Propulsion with Classification Documentation

Heavy-Duty Custom Bevel Gears for Marine Propulsion with Classification Documentation

Model: Custom Model Based on Customer Drawing
Parameters: 2645349595

Custom Bevel Gears for Metallurgical Equipment – Over 10 Years of Reliable Supply

Custom Bevel Gears for Metallurgical Equipment – Over 10 Years of Reliable Supply

Model: Custom Model Based on Customer Drawing
Parameters: 9250888732

Company Gallery

Certifications & Awards

ISO 45001:2018 Occupational Health and Safety Management System Certificat
ISO 45001:2018 Occupational Health and Safety Management System Certificat
ISO 14001:2015 Environmental Management System Certificate
ISO 14001:2015 Environmental Management System Certificate
ISO 9001:2015 Quality Management System Certificate
ISO 9001:2015 Quality Management System Certificate

Success Stories & Case Studies

Metallurgical equipment and industrial gearbox manufacturer

Metallurgical equipment and industrial gearbox manufacturer

No major quality complaints were reported during the confirmed service period.
The supplied gears achieved reliable long-term performance in furnace-top gearbox applications. The company also received supplier recognition from the customer for product quality, delivery performance, and continued cooperation.

Location: LU 📦 Quantity: Approx. 2,000 custom gearbox gears supplied
Wind power gearbox and equipment manufacturer

Wind power gearbox and equipment manufacturer

No major quality complaints were reported during the confirmed cooperation period.
The project maintained stable batch delivery and consistent product quality. The company received customer recognition for quality performance and supply support.

Location: CN 📦 Quantity: More than 10,000 wind power gears supplied

Company & Product Videos

Company Introduction & Factory Tour

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Product Demonstration - Kestrel K-1

⏱ Duration: 5:12 | 👁 Views: 28,450

Technology Innovation Showcase

⏱ Duration: 4:30 | 👁 Views: 12,890

Customer Testimonials & Success Stories

⏱ Duration: 6:20 | 👁 Views: 9,650

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