Rubber timing belts remain a practical choice for industrial power transmission because they combine synchronous tooth engagement with flexibility, damping and quiet operation. However, belts with the same printed dimensions can differ in compound, tensile cord, tooth fabric and molding accuracy. These differences affect load capacity, tracking, noise and service life.
This 2026 review compares ten Chinese companies with identifiable rubber synchronous belt products and manufacturing evidence. It focuses on industrial capability rather than treating every automotive belt supplier as an industrial specialist. TranBelt publishes this article and appears in the ranking, so its position is a disclosed commercial assessment rather than an independent laboratory award.
Key Takeaways
- Match the complete tooth profile to the pulley instead of relying only on nominal pitch.
- Compare rubber compound, tensile cord, tooth fabric and dimensional tolerance before comparing price.
- Custom coatings, holes and machined surfaces require approval of the finished belt, not only the base belt.
- Verify the production entity and approve representative samples before placing a volume order.
China Rubber Timing Belt Manufacturer Comparison
The table summarizes the clearest purchasing use case supported by each company’s public product and manufacturing information. “Best for” is an editorial description, not a measured quality award. Buyers should confirm the current factory, production route and inspection plan for the exact profile and construction being quoted.
| Manufacturer | Location | Main Rubber Belt Types | Main Capabilities | Best For |
|---|---|---|---|---|
| TranBelt Transmission Solutions | Shenzhen, Guangdong | Industrial, double-sided and coated timing belts | OEM production, imported brands and custom processing | International industrial buyers |
| Ningbo Fulong Synchronous Belt | Cixi, Ningbo, Zhejiang | Industrial and automotive synchronous belts | Established production, testing and pulleys | Structured OEM programs |
| Jiangxi Kangqi Industrial | Guixi, Jiangxi | Industrial rubber and special timing belts | Broad profiles and processed belts | Industrial profile coverage |
| Guangzhou Yonghang Transmission Belt | Guangzhou, Guangdong | Rubber, coated and special timing belts | Coatings, machining and molded backings | Customized belt surfaces |
| Ningbo FRK Power Transmission | Yuyao, Ningbo, Zhejiang | Industrial and automotive timing belts | Broad profiles and related drive products | Multi-profile distribution |
| Ningbo Slongwang Synchronous Belt | Cixi, Ningbo, Zhejiang | Endless, open-ended and double-sided belts | Belts, pulleys and custom production | Complete synchronous drives |
| Zhejiang Haitukai Rubber Belt | Sanmen, Taizhou, Zhejiang | Industrial and automotive synchronous belts | Special profiles and pulley production | Uncommon configurations |
| Shaoxing CSHBELT | Shengzhou, Zhejiang | Rubber and special timing belts | Production, testing and custom belts | General industrial supply |
| Xingtai Huanning Rubber Products | Xingtai, Hebei | Synchronous, multi-rib and V-belts | Broad rubber belt manufacturing | Standard replacement belts |
| Xiamen Hee Industrial Belt | Xiamen, Fujian | Rubber and polyurethane timing belts | OEM supply and combined belting products | Mixed belt sourcing |
