Naipu timing Belt Co., Ltd Our company is specialized in manufacturing PU timing belt, PU open endless timing belt, PU round belt, PU V-belt Model No: T5，T10，T20 ， AT5，AT10，AT20 ， HTD3M，HTD5M，HTD8M，HTD14M ， S5M，S8M ，S14M，RPP5M，RPP8M，RPP14M，ATK5，ATK10，ATK20，TT5，，XL，L，H，XH，… … Width: 050，075，100，150，170，200，250，275，300，350，375，400，450，475，500，550，575… … NAIPU timing belts are made of twist wire (high-strength steel wore or kevlar wire) and shaped by rolling continously once It has high-tensile strength, great precision, good transmission stability, and abrasion-resistant NAIPU timing belts can be joint to welded timing belts of different length OEM orders are welcome