Product Description

1.The patents of only two oil channels with double sealed in the rotating-head
2.The patented back-up wrench and its fixed structure
3.The patented guide rail has Single-lock fastening structure
4.The heavy load AC motors with variable frequency control system
5.The optical、mechanical、electrical、hydraulic、communication integration control system
6.The dual load channels improve the service life of bearings and main shaft
7.Integrated hydraulic systems and oil tank reduce system heat