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Premium Transmission Gears & Spiral Bevel Gears from China

Henan Yizhi Machinery Co., Ltd is a leading manufacturer of high-precision gears for industrial, mining, agricultural, and heavy-duty applications. Specializing in double helical gears, spiral bevel gears, herringbone gears, and custom gear shafts.

Transmission Gears

About YIZHI MACHINERY

Equipped with full machining capabilities to satisfy customer needs. Our team has extensive experience in precision gearing systems for numerous industries.

Factory Tour

Precision Gearing Systems for Global Industries

We have supplied gears for mining equipment, power tools, hydraulic pumps, and the rail transit industry. Our feature products include double helical gears and precision spiral bevel gears.

Equipped with advanced machinery including Hofler Rapid and helix grinding machines, Niles ZE and ZP grinding machines, and Gleason Phoenix bevel gear systems, we ensure unmatched accuracy and durability.

  • ISO 8-9 Grade Precision
  • Custom OEM & ODM Solutions
  • Global Export to 50+ Countries
  • Material: 20CrNi2MoA, AISI 4140, 20CrMnTi

Our Top Products

High-performance gears engineered for durability, precision, and industrial reliability

12.5 Module Straight Bevel Gear

12.5 Module Gear Shaping Straight Bevel Gear

Conical Gear for Precision Machined Components

  • Module: 12.5
  • Material: 17CrNiMo6
  • Application: Mining Equipment
  • Hardening: Induction Hardened
Get Best Price
16 Module Spiral Bevel Gear

16 Module 20CrNi2MoA Spiral Bevel Gear

Grinding Transmission Gears

  • Module: 16
  • Material: 20CrNi2MoA
  • Process: Gear Grinding
  • Grade: ISO 8-9
Get Best Price
Double Helical Gear

Highly Accurate Double Helical Gears

Customizable Teeth Accuracy Grade

  • Material: AISI 4140
  • Process: Forging + Normalizing
  • Application: High Torque Transmission
  • Custom: OEM Available
Get Best Price
Transmission Gear Shaft

Durable Spur Drive Transmission Gear Shaft

Gleason Profile Type

  • Profile: Gleason
  • Material: Alloy Steel
  • Application: Power Transmission
  • Finish: Precision Grinding
Get Best Price
Herringbone Gears

Custom Rolling Mill Herringbone Gears

Without Central Gap

  • Type: Cylindrical Gear
  • Application: Rolling Mills
  • Design: No Central Gap
  • Process: Hobbing & Milling
Get Best Price
Worm Shaft and Gear

Custom Worm Shaft and Worm Gear Set

High-Performance Applications

  • Custom: Pressure & Lead Angle
  • Meshing: Smooth Operation
  • Material: Alloy Steel
  • Process: Gear Hobbing
Get Best Price
Internal Spur Gear

Internal Spur Gear

Compact Internal Meshing Structure

  • Application: Construction & Mining
  • Feature: Overload Capacity
  • Material: 20CrMnTi
  • Grade: ISO 8
Get Best Price
Spline Gear Shaft

Forging Steel Pinion Helical Gear Shaft

With Involute Splines

  • Process: Forging + Grinding
  • Profile: Involute Splines
  • Material: Alloy Steel
  • Application: Heavy-Duty Systems
Get Best Price

Why Choose transmissions-gears.com?

Advanced Manufacturing

Equipped with Hofler, Niles, and Gleason precision gear grinding and shaping machines for ISO-grade accuracy.

Custom Engineering

OEM/ODM services available. Full customization of module, material, hardness, and precision grade.

Global Reach

Exported to Europe, Asia, Middle East, and Americas. Trusted by industrial leaders in mining and construction.

124+
Transmission Gears
84+
Spiral Bevel Gears
45+
Herringbone Gears
50+
Countries Served

Frequently Asked Questions

What materials do you use for your gears?

We use high-grade alloy steels including 20CrNi2MoA, AISI 4140, and 20CrMnTi, selected based on application requirements for strength, wear resistance, and durability.

Can you produce custom gears?

Yes, we offer full OEM and ODM services. Provide your drawings or specifications, and we’ll manufacture gears to your exact requirements.

What is your production lead time?

Typical lead time is 30-45 days depending on complexity and order volume. Rush orders can be accommodated upon request.

Do you provide quality certifications?

Yes, we provide material test certificates, dimensional inspection reports, and can comply with ISO, DIN, AGMA, or customer-specific standards.

Get in Touch

For inquiries, quotes, or technical support, visit our official website to connect with our team.

Email

[email protected]

Phone

86-371-60923606

Mobile

8613918048359

Company

Henan Yizhi Machinery Co., Ltd

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