New Yinye: Custom High Precision Gears for Critical Industries
New Yinye: Custom High Precision Gears for Critical Industries
Jiangsu New Yinye Transmission Electromechanical Co., Ltd (New Yinye) is a recognized National "Little Giant" High-Tech Enterprise founded in 1993 in Wuxi, China. The company specializes in the R&D, manufacturing, and heat treatment of high-precision cylindrical gears and spiral bevel gears for industries such as wind power, marine, locomotives, machine tools, aerospace, and more. With a 25,308 m² factory, over 120 employees, and annual output of 50,000 pieces, New Yinye delivers custom engineered high precision gear systems that meet demanding application requirements.
The Challenge of Precision in Demanding Industries
Critical industrial machinery requires gears that can withstand high loads, maintain accuracy under harsh conditions, and provide long service life. Standard gears often fail in high-torque, high-speed, or corrosive environments. Engineers and procurement teams need manufacturers capable of producing gears with tight tolerances, specialized materials, and proven reliability.
Industry Context for High Precision Gears
The global gear market is estimated at USD 222.12 billion in 2025, with the precision gearbox segment valued at USD 3.5 billion. Asia-Pacific leads the wind turbine gearbox market with a 51% share. Industries like rail (market USD 4.05B in 2024) and marine (USD 6.8B) demand ever-higher precision. To compete, OEMs require suppliers who can achieve DIN 4-5 accuracy, handle large diameters, and provide in-house heat treatment and quality inspection.
New Yinye's Manufacturing Capability for High Precision Gears
New Yinye’s manufacturing capability for high precision gears is built on a comprehensive equipment matrix and process expertise. The company can machine cylindrical gears up to 3000 mm outer diameter and spiral bevel gears up to 1250 mm. Highest precision reaches German standard DIN 3962/3965 Class 4 to 5, with surface roughness Ra 0.4. The equipment fleet includes German Höfler RAPID/HELIX profile gear grinding machines, Liebherr LCS 1200, and Japanese O-M vertical turning/milling centers. For bevel gears, New Yinye is compatible with Klingelnberg, Gleason, and Oerlikon systems. Materials handled include 17CrNiMo6, 18CrNiMo7-6, 42CrMoA, and 20CrNi2Mo. In-house heat treatment capabilities cover carburizing and quenching, high-frequency induction hardening, and nitriding, with proprietary deformation control for thin-walled parts. Quality assurance is supported by German Fraunhofer non-destructive case depth/hardness testing, Barkhausen grinding burn detection, large Zeiss CMMs (3000×6000×2000mm), Hexagon CMMs, and Klingelnberg P152 & Gleason M&M gear inspection centers.
Proven Application Use Cases
Metallurgical Industry Gearbox (Luxembourg)
Products 3509 (spiral bevel gears) and 3513 (high precision cylindrical gears) were used in transmission gearboxes at the top of steel-making furnaces. Over 2,000 gear units were supplied, achieving zero quality complaints over a 10-year service period. The gears exceeded designed lifespan, and New Yinye’s customer received the “Outstanding Supplier” award multiple times.
Wind Power Transmission Gears (China)
Product 3515 (ring gear, YL-Series) was applied in wind power transmission gear systems. Over 10,000 gears were supplied over 5 years of continuous use with no quality complaints. New Yinye received the Excellent Quality Award for this application.
Product Overview and Specifications
| Product Type | Model | Max Dimension | Material | Heat Treatment | Precision Grade |
|---|---|---|---|---|---|
| Spiral Bevel Gears | YL series | ≤1300 mm | Alloy steel (low/med carbon) | Carburizing & quenching | Above DIN Class 5 |
| High Precision Cylindrical Gears | YL-series | 200–2500 mm | Alloy steel | Carburizing, induction, nitriding | Above DIN Class 4 |
| Planet Gears (Big Module) | YL Series | Large | 18CrNiMo7-6 | Carburizing & quenching | DIN Class 5 |
| Ring Gears (Big OD) | YL-Series | 800–2500 mm | 42CrMo, 38CrMoAl | Nitriding, induction quenching | DIN Class 7 (post-HT) |
Frequently Asked Questions
What quality certifications does New Yinye hold?
New Yinye is certified under ISO 9001:2015 (cert. no. 02423Q32061057R2M) by SHENZHEN UNIVERSAL CERTIFICATION CENTRE CO., LTD, covering high precision gear manufacturing. This certification is valid until June 15, 2026.
What precision grades can New Yinye achieve for high precision gears?
New Yinye can achieve DIN 3962/3965 Class 4 to 5 for cylindrical gears, with surface roughness Ra 0.4. Spiral bevel gears are machined to above DIN Class 5, and ring gears to DIN Class 7 post heat treatment.
What materials and heat treatments are available for custom gear orders?
Common steels include 17CrNiMo6, 18CrNiMo7-6, 42CrMoA, and 20CrNi2Mo. In-house heat treatment capabilities include carburizing and quenching, high-frequency induction hardening, and nitriding. New Yinye also has expertise in deformation control for thin-walled parts.
What is the minimum order quantity (MOQ) for custom high precision gears?
The MOQ is 2 pieces, with delivery methods FOB Shanghai, EXW, or FCA Shanghai. Payment terms for new customers are 30% down payment, 70% paid before delivery, or 30 days at sight of BL for repeat orders.
How can I request a sample or get a quote for my high precision gear project?
To request a sample or obtain a quote, contact Jane Huang at jane@wxyinye.com or call +86 15052211619. You can also download the company brochure for more product information. New Yinye accepts custom inquiries with detailed specifications.
New Yinye combines three decades of manufacturing experience, advanced German and Japanese equipment, and rigorous quality management to supply high precision gears for the world's most demanding industries. Whether you need custom helical, bevel, ring, or planetary gears for wind, marine, rail, or aerospace applications, contact New Yinye to discuss your project requirements.