... and low price, they are for trucks from CNHTC,like howo, steyr, shaanxi The piston ring we supply have the following ... after-sale severiceWe can supply all the types of truck piston ring for howo, Steyr. Steyr(the king), and also for the ... , HOJUN, HOWO A7, Shanxi D’long F2000 and O’long, providing finished automobile original parts for various kinds of trucks, dump trucks ...