... price! Our company is a professional manufacturer of transmission gearbox for heavy-duty truck (transmission gearbox 5S-150GP, 5S-111GP) and large ... bus (transmission gearbox S6-90, QJ805, S6-150/QJ1506, S6-100, QJ705, ... adopt ZF Technology which is German gear standard. We supply transmission gearbox parts for Howo, Steyr King ,Steyr, Benz, Beiben truck ...