Our piston ring is with good quality and low price, they are for trucks from CNHTC,like howo, steyr, shaanxi The piston ring we supply have the following characterastics1. quality insurance2.competitive price3.short delivery time4.Good after-sale severiceWe can supply all the types of truck piston ring for howo, Steyr. Steyr(the king), and also for the trucks from Shanxi Automobile Group Co.,Ltd. ...