variable speed belt, pk belt, 12 rib belt, Company Brief IntroductionZhejiang HongDa Rubber co., Ltd is located in the Tian Tai Mountains .A beautifulscenic spot and beside No.104 state highway. It was set up in 1980; the main productsare Common V belts, Flat transmission bclts, Vinyi-conveyor belts, Nylondeferent belts, cotton deferent belts, bus synchronous belts, and mower bus v belts,conveyer ...