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Precision Gear & Transmission Components

High-performance bevel gears, helical gears, differential components, and custom-machined transmission parts for industrial and agricultural machinery.

Precision Gear Manufacturing
About Us

Jinan Heli Transmission Tech Co., Ltd

We are a leading manufacturer of precision transmission components based in Jinan, China, specializing in high-quality gears and drivetrain parts for industrial, agricultural, and heavy-duty machinery.

With advanced CNC machining, forging, and heat treatment technologies, we deliver reliable, durable, and precisely engineered gear systems that meet international quality standards.

Precision Gear Manufacturing
Custom Machining Solutions
Global Export Experience
ISO-Compliant Quality Control
Our Products

Precision Transmission Components

Engineered for durability and performance, our gear systems are used in rotary mowers, industrial drives, and heavy machinery worldwide.

Bevel Gear

Bevel Gear

High-strength bevel gears for right-angle power transmission, ideal for differential systems and industrial gearboxes.

  • • Material: Alloy Steel
  • • Precision: DIN 5
  • • Heat Treatment: Carburized & Hardened
Helical Gear

Helical Gear

Smooth-operating helical gears with high load capacity, used in reducers and transmission systems.

  • • Module Range: 1–8
  • • Pressure Angle: 20°
  • • Precision: AGMA 10
Spiral Bevel Gear Set

Spiral Bevel Gear Set

Precision-matched spiral bevel gears for high-torque applications with minimal noise and vibration.

  • • Spiral Angle: 35°
  • • Material: 20CrMnTi
  • • Application: Differentials
Forging Gear

Forging Gear

Hot-forged gears with superior grain structure and mechanical strength for heavy-duty applications.

  • • Process: Closed-die Forging
  • • Material: 40Cr, 42CrMo
  • • Max Diameter: 500mm
Differential Gear

Differential Gear

Precision planetary and bevel-type differential gears for automotive and industrial drivetrains.

  • • Type: Side & Pinion Gears
  • • Hardness: HRC 58-62
  • • Tolerance: ±0.01mm
Rotary Mower Gear

Rotary Mower Gear

Durable gear assemblies for agricultural mowers, designed for high impact and continuous operation.

  • • Application: Mowing Equipment
  • • Design: Compact & Sealed
  • • Lubrication: Grease-filled
Universal Joint Parts

Universal Joint Parts

High-torque U-joints and yokes for driveline systems requiring angular flexibility.

  • • Torque Rating: Up to 5000 Nm
  • • Material: Forged Steel
  • • Seals: Dust & Water Resistant
Custom Machining Parts

Custom Machining Parts

CNC-machined transmission components tailored to OEM specifications and drawings.

  • • Tolerance: ±0.005mm
  • • Processes: Milling, Turning, Grinding
  • • Materials: Steel, Aluminum, Brass
Our Capabilities

Advanced Manufacturing & Quality Assurance

High-Efficiency Production

Automated CNC machining centers and robotic handling ensure consistent quality and fast turnaround times for large-volume orders.

Strict Quality Control

Full inspection using CMM, gear analyzers, and hardness testers. All products meet ISO and customer-specific quality standards.

Custom Engineering Support

Our engineering team provides design optimization, material selection, and prototyping services for custom transmission solutions.

15+
Years Experience
300+
Global Clients
50+
CNC Machines
98%
On-Time Delivery
Support

Frequently Asked Questions

What materials do you use for gear manufacturing?

We use a range of materials including 20CrMnTi, 20CrMo, 40Cr, 42CrMo, and other alloy steels depending on application requirements. Custom materials such as stainless steel or brass are also available upon request.

Can you produce custom gears based on our drawings?

Yes, we specialize in OEM/ODM manufacturing. Send us your technical drawings, specifications, or samples, and we will provide a quote and prototype as needed.

What is your production lead time?

Typical lead time is 30–45 days depending on order volume and complexity. Prototype orders can be delivered in as little as 15–20 days.

Do you offer international shipping?

Yes, we export globally with reliable logistics partners. We handle all documentation and can deliver to your door via sea, air, or express courier.

Get in Touch

Request a Quote or Technical Support

Contact Jinan Heli Transmission Tech Co., Ltd for custom gear solutions, bulk orders, or technical inquiries.

For inquiries, please visit the official Helitransmission website to submit your request directly.

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