河北锐金钻头制造有限公司
Ranking is leading supplier of premium drilling products and services to the worldwide oil and gas industry.We have more than ten years experience in supplying professional solutions onshore and offshore,and try our best to create the level added value for our customers. We specialize in designing,manufacturing and marketing of carious high quality tricone bits&PDC bits and hole openers.Size of various bits and special tools covers from 3 1/2\"-36\" includes standard size and nonstandard size. RANKING company keeps track of the international advanced technology,and built a flexible production line of CNC machining centers mainly drill bits,established a perfect quality assurance system,widely used in the production and management of computer application systems and control systems.
Website：www.rankingbit.com