... with material of synthetic rubber, natural rubber, pvc, pu, velvet and silicone. Shanghai Nangest Machinery Co., Ltd. as a high- ... 4. Transmission Belt Division, involves PU transmission belts and rubber transmission belts. PU transmission/timing belt is widely used ... machine, big circular machine, and computerized flat knitting machine. Rubber transmission belt includes timing belt, and VEE belt. 5 ...