... . ProductsAll kinds of gears (spur gear, bevel gear, sprial gear, ring gear, internal gear, sprocket, chain wheel) transmission, gear box, reducer ,shaft and sleeve ... and meet your need for high precision on teeth of gear.CertificateISO9001:2000Minimum quantityAccept trial orderTrade term: 1. payment by ... broken pls inform us in time. Pls don't return the goods to us without contacting us. We must ...