China OEM ISO9001: 2015 Transmission Gear Mechanical Steering System Planetary Gear top gear
Product Description Product Description Material: 45#Steel,20CrMnTi,40Cr,20CrNiMo,20MnCr5,GCR15SiMn,42CrMo,2Cr13stainless steel,Nylon,Bakelite,Copper,Aluminium.etc Process: The main process is Gear Hobbing, Gear Shaping and Gear Grinding, Selecting production process according to the different products. Heat Treatmente: Carburizing and quenching ,High-frequency quenching,Nitriding, Hardening and tempering, Selecting heat treatment according…