Alloy Steel Borehole Drilling Rods 76mm X 5.5mm X 1m Welding Tubes
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76mm x 5.5mm x 1m welding tubes water well steel casing DTH drill rod pipe for mining 1.Description: -The drill pipe is used to connect the surface equipment of the drilling rig and the drilling and grinding equipment or the bottom hole device at ......
Glorytek Industry (Beijing) Co., Ltd.
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