... is a professional manufacturer of transmission gearbox for heavy-duty truck (transmission gearbox 5S-150GP, 5S-111GP) and large bus (transmission ... for Howo, Steyr King, Steyr, Mercedes Benz, North Benz(Beiben truck, Beifang Benchi), Golden Prince, Hoka, Hongyan, Yutong, King Long, Yaxing ...