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 ... and the distribution of mechanical fields of the moulds tec.The Master Gam software is used for CNC processing. Automobile engine connecting-rod products ...