It  mainly apply to industry, petroleum, construction, spin and weave, medical, aviation, cultivation, metallurgy machinery and so on fields. We have the abundant technique, advanced equipments, complete testing method, the steady quality! Our company rely on the high quality, good reputations, the high quality after sale service,we get the best  reputations from most of our clients. Our products widespread sell to various provinces and export to USA, Japan, HongKong, Taiwan, Asia, Europe countries and districts.