There are 17 types of automobile engine connecting-rod products,such as 462Q, 474Q,372Q, 479Q, 4G18, ... and etc There are 17 types of automobile engine connecting-rod products,such as 462Q, 474Q,372Q, 479Q, 4G18, ... these rods and etc. We have the Chongqing municipal level technical center,can meet all techincal requirements of customers ... used for CNC processing. Automobile engine connecting-rod products