... ,diameter,length according to req 1.parts for automobile,bolt2.non-standards bolt,stud3.passed ISO 9001 ... 169494.color,diameter,length according to requestparts of automobile(stud,non-standard bolts)We produce all kinds ... of bolts which are used on the automobile and motors.The material can be various steel ... well as we produce the parts for automobile according to the customer's drawing. parts for ...