... , bearing wear and oil, hard wearing, good performance PU timing belt specifications:1) S2m, S3m, S5m, S8m2) 1.5M, 2M, ... , and various precision machine tools and instruments. Polyurethane open belt of our company is produced with advanced technology and equipment ... with most raw materials imported from advanced specialized company. Now quality has reached the same level with abroad. Our products have ...