There are 17 types of automobile engine connecting-rod products,such as 462Q, 474Q,372Q, 479Q, 4G18, ... 481H and these rods and etc There are 17 types of automobile engine connecting-rod products,such as 462Q, 474Q,372Q, 479Q ... of forged pieces and the distribution of mechanical fields of the moulds tec.The Master Gam software is used for CNC processing. Automobile engine ...