Chengdu Hlf Diamond Bit Co., Ltd.

Founded in 2001, Chengdu Huilingfeng Diamond Bit Co., Ltd. (hereafter abbreviated as HLF Co., ) has a history of over 15 years now. Since then, HLF has been dedicated to the development, design, manufacture, marketing and sales of PDC bits and diamond bits. HLF not only possesses a strong technical and production team, equipped with specialized equipment for matrix body/steel body PDC bits and diamond bits, it is now grown up to be one of the strongest company in technology development and innovation in China. The three new series of bits, including the Conventional Series, Quik-Pen Series, and Tough-Pen Series PDC bits have been developed in recent years to meet the fast development of worldwide drilling demands and the requirements of local and foreign customers. These bits proved to be successful in different oilfields with various lithology formations, receiving good drilling results and appreciation from customers and end users at home and abroad.

Technology improvement and innovation has pushed HLF forward to higher levels year by year. Up till now, HLF has obtained 16 patents, all related to the design, process and manufacture of PDC bits and diamond bits, and has been granted the "Certification of Hi-Tech Enterprise" issued by the Ministry of Science and Technology" since 2009.

HLF fully understands that quality is the lifeline of the Company, and therefore, established a perfect quality management system. HLF has obtained the certification for ISO 9001 since 2003 and the certification for API monogram Spec 7 and subsequently API monogram Spec 7-1 since 2006. HLF products strictly conform to ISO 9001 and API Spec Q1 quality management system requirements.

Dear customers and friends: HLF warmly welcome you to come and visit our facility in Chengdu, China. We hope to set up long-term cooperation with you under the "win-win" principle. You will find HLF is a company you can trust and work together for mutual benefits. If you need any additional information, please do not hesitate to contact us at hlf@cdhlf. COM or give us a call to 86-28-83920891.