Huasen petroleum supplies co.,ltd specializes in manufacture and sale of diamond bits and drilling tools. Our company is located in the city of Hejian, Hebei province, china. There is nearby Beijing with abundant and advantage communications.   The company has many industry experts in research and manufacture of diamond bit, also with many technical staff familiar with drilling .Our company independently designs diamond bit with high anti abrasion ability, resist impact capability, and ROP. This can significantly enhance ROP , reduce construction period and cost of oil fields. HUASEN bits is widely applied in onshore and offshore oil fields, customers requirements, HUASEN supplies various type of drilling bit,, coring bit and other specializations.   HUASEN bit has been widely recognized by our customers for its high quality and ager-sales services. Our products have used in many oil fields. Such as Talimu, Tuha,Changqing,Liaohe, Dagang,Sichuan,Zhongyuan,Hubei.   HUASEN seeks to satisfy our customers with qualifiedly products, prompt delivery and excellent services, from our customers can gain more benefits with lower cost.