Supply of multi-standard high-FAST hydraulic support professionals with mountain-ring

Mine hydraulic support repair special mountain-ring is one of the hydraulic support for the coal industry, professional development workshop production of the series. Product complies with Q / XXY-402-80, GB10708.3-89 standards. The product of its professional and strong, excellent sealing effect, high quality, stable and reliable performance in the industry and the country has been in the lead. Trusted by our customers.