There are 17 types of automobile engine connecting-rod products,such as 462Q, 474Q,372Q, 479Q, 4G18, ... rods and etc There are 17 types of automobile engine connecting-rod products,such as 462Q, 474Q,372Q, 479Q, 4G18 ... the plastic forming process of forged pieces on the computer and to analyze the flow rules of metal,the ... software is used for CNC processing. Automobile engine connecting-rod products