... , ball joint of truck torque rod and shift lever for STR, HOWO, HOYUN, HOVA Tramcar, SWZ, SINOTRUCK, ... steel pipe. The original material is Sinotruck material,Rubber core is polyurethane, Ball pin 40 contact material ... unified specifications.We are mainly responsible for dealing with the truck parts for HOWO, STR etc. We supply ... you interested in our products. kangli made rubber metal bond of thrust rod