... gear,sprial gear,internal gear,sprocket,chain wheel)transmission,reducer,shaft and sleeve etc. They are of good quality ... gear, internal gear, sprocket, chain wheel) transmission, gear box, reducer ,shaft and sleeve etc.ApplicationSuitable for various light vehicle ... and meet your need for high precision on teeth of gear.CertificateISO9001:2000Minimum quantityAccept trial order spiroid worm wheel and ...