Center distance 2.05m, support strength 1.52~1.58MPa. Suitable for coal seams with thickness of 10~20m. The first development and application of Q1150 ultra-high strength steel plate and reasonable matching welding materials.
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ZFY18000/28/53D Two-Leg Top Coal Caving Support
Negotiable
China
No.1, Kuangji Road, Fangshan District, Beijing, P.R. China
+86 10 81369541
zmbmj@chinacoal.com
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