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JR factory natural diamond roughing and polishing vitrified bond grinding wheel for diamond bruting machine
JR is a professional vitrified bond diamond wheel supplier who has more than 20years experience in diamond tools industry. Vitrified bond diamond grinding wheel is widely used in the processing of natural diamonds, including diamond bottom and bruting processing. In our ...
JR(Guangdong) New Material Incorporated Company [Hardware] [Abrasive Tools] [2019-09-21 14:09:08 ]
