| 深入解析轴承技术:圆锥滚子轴承的工作原理与应用
| 轴承技术探究:从圆锥滚子轴承到未来发展
| In 2018, The workshop of Jiashan EPEN Bearing was redecorated and painted
| Constructed & started manufactured sliding bearing
| 9100m2 workshop & office building finished construction
| Purchased 13300m2 land and started to design & construct workshop;