... good quality and low price, they are for trucks from CNHTC,like howo, steyr, shaanxi The piston ring we supply ... part supplier of Chinese well-known heavy duty trucks, such as HOWO, STEYR, STEYR (KING), Gold Prince, HOYUN, ... HOWO A7, Shanxi D’long F2000 and O’long, providing finished automobile original parts for various kinds of trucks, dump trucks, tractor trucks, concrete mixer trucks ...