Company drive shaft assembly all supporting Dongfeng host loading, all parts are used in 40 Luo material, forging and quenching and tempering heat treatment. Dongfeng matching, pure quality, from the professional! the company drive shaft assembly all matching Dongfeng host loading, all parts are all using 40 Luo material, forging and quenching and tempering heat treatment. Dongfeng matching, pure quality, from the professional!