Center distance 1.75m, support strength 0.82~1.16MPa; suitable for coal seams with thickness of 2.3~4.8m; China's first three-stage telescopic support, with the world's largest telescopic ratio, realizing mining in working faces with large coal seam height variations. Its core technology "A High-Life Three-Stage Telescopic Column for Hydraulic Supports and Its Hydraulic Support" has obtained a national invention patent.
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ZY2000/18/50D Ultra-Large Telescopic Ratio Hydraulic Support
Negotiable
China
No.1, Kuangji Road, Fangshan District, Beijing, P.R. China
+86 10 81369541
zmbmj@chinacoal.com
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