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 . & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; company transmission shaft assembly of all supporting Dongfeng host loading, all parts used in all 40 Los material, forging and quenching and tempering heat treatment. Dongfeng matching, pure quality, from the professional.