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Drill pipe joints using AISI4137H quality alloy steel. Germany IPSEN tool joint use of all multi-atmosphere furnace for hardening and heat treatment, and each drill pipe and fittings for fluorescent magnetic particle inspection ultrasonic flaw detection. Drill pipe thread and shoulder joints is the use of precision CNC screw lathe, and then complete according to API specification through individual detector, thread gauge and other testing to ensure the interchangeability of the thread joints. Thread and shoulder surface is to use hot phosphating process or to protect the copper plating process. In an effort to achieve the General Manager to build Hua'an product brand, a strong army strong and the people, the overall objective of accelerating development. I in 2005 and in the processing of crude oil drill pipe joints Tian Dacheng long-term contract, which is another civilian Hua's economic growth for the company's civilian development has laid a solid foundation. The product is widely used in oil drilling industry.
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- Address: N0.10 Chengjiang Street Industrial Zone (South) Xiejing Road,Jiangyin City,Jiangsu Province,China.
- Tel：0510-80629386 Fax：0510-80629390 P.C：214432 Technical Support：Qianfan Technology