Since the 3.5t automobile transfer case the company joint developed with DongFeng in 1980s’, it has developed transfer cases suitable for various off-road and special vehicles, transmission capacity ranging 1800Nm~24000Nm. The products cover part time 4WD and full (part) time difference 4WD, different torsion ratio differential and 1:1 differential. It is designed as ground gears, constant engaged helical gears; smooth in transmission. The series product is mature in technology and high in reliability.