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  • Sichuan Wanji PDC Drill Bit co.,LTD. is a professional high technical enterprise with its independent designproductionaccessories and one-stop servicesWith a group of initiative engineers and experienced operating workers,equipped with sophisticated peocessing&testing facilities, SI CHUAN WANJI PDC DRILL BIT CO.LTD. takes commitment completely to our customers as well as carrying out research&development in high technology and new products…………