... the standards of heavy truck. At present, we have 3 series of products, namely “Ruilong”, “Qilong”, and “Special vehicle”. The ... 310hp and transmission of 6 gears ~12 gears. The “Qilong” series range from engine power of 270hp ~420hp and transmission of ... 9 gears ~16 gears. The “special vehicle” series include concrete mixer truck, truck-mounted crane, particle materials transportation truck, and ...