Timing belt is composed of a closed round rubber with teeth and attached belt or pulley. When working, teeth and through is harmany. One movement will cause transmission of teeth, chain and belt.

"AST" brand timing belt's advantage are anti-wearing out, small elongation rate and strong, also, it is anti-oil, anti-heat, anti-ageing, anti-ozone.

Now we have over *0 kinds timing belt with more than ***0 specification. Bes-ides, we are also able to produce attached belt and pulley to satisfy clients' request. To ensure good quality of synchronous belt, the main raw material(such as keleton, rubber) are all imported from advanced countries's specialized company. Our prod-ucts' function has now beyond international standard & national standard.