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