Since the single hydraulic prop has a higher working stroke, stability, and safety factor than the aluminum alloy prop, it has recently become the first choice of many people, but in the process of us
When you buy back the single hydraulic prop, don't operate blindly, be sure to follow the correct operation method, so as to use the steel acrow props safely.
The use of any product requires maintenance. Only in this way can the product work efficiently, and if there is a small problem found in a timely manner, it will not cause a big mistake.For the use of
Before the hydraulic prop is installed, the one-way valve and the liquid injection nozzle should be cleaned with a liquid injection gun. After there is no coal dust, the liquid gun is inserted into th
