... 16949:2009 ZF Technology Material:20CrMnTi OEM parts Match type:ZF gearbox S6-90 for bus Yutong,King Long,Ankai,JAC ... price! Our company is a professional manufacturer of transmission gearbox for heavy-duty truck (transmission gearbox 5S-150GP, 5S-111GP) ... Technology which is German gear standard. We supply transmission gearbox parts for Howo, Steyr King ,Steyr, Benz, Beiben truck, Golden Prince, ...