Henan Sifang Super Hard Material Co., Ltd is the largerest factory in china which manufacture PDC rock cutters specially designed for oil drilling bits. As a ISO9001 registered company, we own a very good repution of high quality, good service and resonable prices. We have planar interface PDC cutters and none-planar interface PDC cutters(patent of SIFANF); and many kind size: diameter(mm) Xthickness(mm): 6X8, 8X8 13.44X8, 13.44X13.2, 16X8, 16X13.2, 19.06X8, 19.05X13.2, 19.05X16.3, etc.
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