tricone bit
PRODUCTS
17 1/2"IADC 217 water well drilling steel tooth tricone bit
17 1/2"IADC217 rubber sealed bearing milled tooth tricone drill bit
17 1/2"IADC217 rubber sealed bearing milled tooth tricone drill bit
隐藏域元素占位
NEWS
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Our main products: tricone bits, PDC bits, HDD hole opener, foundation single roller cutters,drag bit and related tools
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Junziguan Industrial Zone, Hejian City, Hebei Province
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