Nature Roller Covering Roller Coverings, also called rubber strips or roll strips, can be used on Somet, Picanol, Sulzer, Donier, ... and etc. We can provide you with material of synthetic rubber, natural rubber, pvc, pu, velvet and silicone. Shanghai Nangest Machinery ... machine, big circular machine, and computerized flat knitting machine. Rubber transmission belt includes timing belt, and VEE belt. 5. ...