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U-shaped Steel Support
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China Coal Group Sent T A Batch Of U-Shaped Steel Support o Heilongjiang Province
On October 21st, a batch of new U-shaped steel support are inspected and loaded in the intelligent equipment production workshop of China Coal Group, and will be sent to a mine in Heihe City, Heilongj
China Coal Group Send A Batch Of U-Shaped Steel Support To Qinghai Provice
On October 16, a batch of new U-shaped steel brackets were inspected and loaded in the intelligent equipment production workshop of China Coal Group, and will be sent to a mine in Qinghai. The U-shape