A: 1.1. Prepare the raw materials for the production of joints and ball-pins; 1.2, Turning and milling the raw materials to obtain the blank of the joint and the ball pin 1.3,conducting heat treatment of the rough; 1.4, Grinding the heat treated blank; 1.5, Ultrasonic testing of products; 1.6, Inspection of joints and ball pins after processing flaw detection; 1.7, Assembling joints, ball studs and other tie rod joint assembly parts into finished products
