DANYANG TONGYU TOOLS CO. , LTD. Is one of the professional manufacturer of drill bits in china, specialized in all kinds of HSS twist drill bits, electric hammer drill bits, masonry drill bits, wood working drill bits, HSS hole saw, HSS taps, TCT saw blades, diamond saw blades and some other power tool accessories. We're located in Binjiang Development Zone of Danyang with very convenient transportation, to the south of 101 Expressway, and the north of the Yangtse River. Both of its geographical advantage and cultural environment make it a star enterprise in the city.
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