... ! Our company is a professional manufacturer of transmission gearbox for heavy-duty truck (transmission gearbox 5S-150GP, 5S-111GP) and large bus ... (Beiben truck, Beifang Benchi), Golden Prince, Hoka, Hongyan, Yutong, King Long, Yaxing, Ankai(AK), JAC, Zonda, Volvo, Daewoo, Neoplan, Kaisiboaer, etc ...