Product  Introduction

1. Application: Support the rock face of the roof and the roof down, to ensure a safe working space.
 
2.Features: Underground transport is convenient, face and easy to use, easy to move, easy 
 
maintenance, save labor,time, effort, provincial money, peace of mind.
 
3. Accessories: capping, handle body, returning spring, base body, three-use valve, hydraulic  cylinders, upper prop, sealing, etc.