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As a professional Diamond core drill bit supplier, we have excellent teams who focus on product development and design, quality control and inspection and company running In order to supply the best products and services, we have built a modern quality management system which is in strict accordance with international standards.

Diamond core drill bit differ Laser welded drilling bit,High frequency brazing hole saw, Sintered dill bit, Electroplated core bits, Vacuum brazed drill bit. Wide Application of drill bit --Worked great for porcelain, tile, ceramics, bathroom tile, marble granite, stone, masonry, brick,concrete, reinforced concrete, asphalt, with ease. Size from 6mm to 450mm.

If you have any new ideas or concepts for the products, please contact us. We are glad to work together with you and finally bring you the satisfied products.

Diamond Core Drill Bit

Since 2000 year, our company Johnson Tools Manufactory Co.,Ltd started to manufacture and export diamond tools for stone working and construction industry for worldwide countries.



 : +86-512-62524550
  :  +86-18936085316
 :  Tuqiao Industrial Park, Jiangning District, Nanjing, Jiangsu, China
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