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China Best Sales Steel Spur Transmission Gear Machining Helical CZPT for Spare Parts cycle 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…