... semi trailer spare parts.Production features:1. HJ bogie&trailer axle beam, which has the advantages of small, high intensity, over ... ; HJ can produce according to customers special requirement.10. HJ axle designed as per the international standard. ABS can be fixed ... ,Supply various camshafts for trucks, semi-trailer parts.2,produce Brake drum, Brake shoe and other spare parts.3,BPW standard. Trailer ...