Zhengzhou, Henan, China,
Zhengzhou RJ Diamond Co., Ltd. (short in “RJ”)specializes research, development, manufacture, and marketing ofsuper abrasive materials products. Our products include DiamondWire Drawing Die Blanks, PDC, PCD&PCBN Cutting Tool Blanks,Diamond& ...
diamond wire die blanks, pdc cutters, pcd cutting tool blanks, diamond grinding wheels, diamond wire drawing dies, diamond micron powders