PU synchronous belt was produced by thermoplastic polyurethane, steel, and Kevlar fiber cord, has ... and the production of tolerance is small. Opened PU synchronous belt transmission is reliable and has the ... of special application, still a layer of polyurethane can be added in the back of belt ... 14M, S2M, S3M, S5M, S8M, S14M 2. Material: Polyurethane 3. Brand Name: Jbosun 4. Place of Origin: Shenzhen ...