各种自动化装配检测生产线，包括球轴承、滚针轴承、角接触轴承、四点接触轴承、滚珠丝杆等，以及各种试验机。

Various automatic assembly and inspection production lines; including ball bearings, needle bearings, angular contact bearings, four-point contact bearings, ball screw, and various testing machines.