Our Diamond Core Bits goes through a top-notch quality analysis system supervised by skilled quality auditors who assess different products at different level. We have developed a state-of-the-art fac...

Little did Professor Z. Yao at China University of Geosciences know when he started researching and designing cutting-edge drilling bits in 1986, that he would later turn KingRock into one of the most...

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Located in BEIJING, , China, we are setting a benchmark in the textile industry being a leading Manufacturer and Retailer of Diamond Core Bits. Established back in 2006, we first started with a bare m...

Danyang Huafeng Diamond Tool Machinery Co.Ltd is a China based company located in BEIJING, Beijing, known for its first in class A variety of blade,diamond grinding wheel,core drill shank,diamond core...

Changsha Changtan Machinery Co., Ltd is one of professional manufacturers and leading exporters of Premium-quality drilling rigs and drilling tools in China. All sites are ISO9001: 2000 Certified. We ...

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beijing tiandi orient superhard materials co ltd is one of the leading professional manufacture of diamond tools with 30 years' experiences.we produce a seried of products with large scale,su...