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Wuxi Zhongjin Mineral Exploration Tools Co., Ltd Wuxi Zhongjin Mineral Exploration Tools Co., Ltd. is a professional manufacturer and supplier in the production of geological exploration drilling rigs and drilling tools. Main products include wireline coring drill rods and casing tubes, impregnated diamond core bits, surface set diamond core bits, rod shoes and casing shoes, diamond reaming shells, core barrel assembly, overshot assembly, hydraulic underground core drill rigs, reverse circulation drilling rig, surface core drilling rigs, and crawler engineering drilling rigs. Learn More→