Supplier: 山东中煤工矿物质集团有限公司
Please confirm with the supplier: Model / reference, Key specifications / compatibility, Minimum order, Samples, Export markets, Supply capacity.
It is mainly used for mining tunnel support ,with the features of high presure long fit strong structure. chinacoal05
Name of Products:U-Beam mining support steel
Spec.: 25U, 29U, 36U
Standard:GB/QB
Materials: 20MnK, Q275
Length: 8,9,10,12m