Liaoning Tieren Drilling equipment Co. Ltd.specializes in the R&D, manufacture, distribution and service of oil drilling tools and equipment. The leading products are high-performance diamond drill bits and engineering drill bits.
Tieren Drilling equipment has built high-performance diamond drill bit production lines with advanced technologies, complete equipment and normalized management, and formed a large-scale production capacity of oil diamond dill bits in 3"-17.5". Its diamond drill bits are produ...
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