Factory Direct | RoHS Certified | Precision Machining
Custom Precision Transmission & FA Components
Custom Timing Belt Pulleys, Transmission Belts, Polyurethane Roller Wheels, Chain Sprockets, Gears, Bearings, Couplings. High-precision CNC machining with H7 tolerance. OEM/ODM supported with fast quotes for global automation.
High Wear Resistance & Premium Bonding
Custom Polyurethane Wheels & PU Coated Components
Hardness range 35A-95A. Tailor-made for heavy duty automation systems, guide systems, and custom machinery.
Advanced CNC Machining Services
Precision Machining to Your Exact Specifications
From custom timing pulleys to custom sprockets. H7 tolerance guaranteed, direct from our integrated factory.
ABOUT US
Your Integrated Manufacturer for Precision Transmission Components
Yongchenghui Precision Machinery is an industry-and-trade integrated manufacturer dedicated to delivering high-performance factory automation components. With over a decade of expertise, we specialized in high-precision, custom-engineered products including timing pulleys, polyurethane wheels, chain sprockets, and custom gears. We provide tailored OEM/ODM solutions designed to meet the exact specification of global machinery and sutomation industries.
Quality Conttol & RoHs
Our manufacturing and quality management systems comply with ISO9001:2008 standards. We maintain strict QC procedures and use high-precision testing equipment to ensure that each part meets or exceeds customer expectations.
Product Categories
Exclusive customization, seamlessly meeting your needs
Power Transmission Parts
Material Handling Equipment Parts
CNC Machining Services
Spare Parts
Related Products
Explore Our Full Range of Transmission & Precision Components
Our Goals
Precision Transmission & CNC Machining Solutions
Custom timing pulleys, timing belts and precision machined parts for automation, CNC and industrial equipment.
OEM & ODM supported. Fast Quotation. Stable Quality.

Custom Manufacturing
Support custom size, material, bore and surface treatment based on drawings or samples.

Industrial Transmission
High-precision timing pulleys and belts for stable, efficient and low-noise transmission systems.

CNC Precision Machining
Advanced CNC machining with strict tolerance control for industrial automation applications.

Fast OEM Service
Fast quotation, sample support and professional engineering assistance for global customers.
Custom Timing Pulley Solutions Starts Here
Send Your Drawing & Receive a Fast Quote Within 12 Hours
✔ Custom Drawing Accepted
✔ OEM & ODM Supported
✔ Fast Quotation Within 12 Hours
✔ 10+ Years Manufacturing Experience