About Us
Three cone bit drill and supply, petroleum, mining, water proof engineering, diamond bit, bridges and other products. Core products have been sold to more than 10 countries and regions. At the same time, committed to providing customers with the maximum profit. To improve the manufacturing technology of drill bit, and helps all the power, the development of the world economy.
BZ was established in 1988 for Chinese petroleum factory launched a new round of drilling climax. With the center of nc machining, BZ built a flexible production line of drilling, Superhard materials production line and management of computer system (CIMS). laid a solid material and technical base for first-rate quality drilling bits. In the continuous improvement of the drilling technology, BZ has brought more profit for drilling industry.

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Contact:  Miss Lydia