UNI TUBE LTD. is a manufacturer of carbon steel seamless pipes, locates in Hekou Economic Development Zone, Dongying City, China. We can process and supply all sizes of tubing, casings, couplings and tool joints according to API standard,our ceritifacte NO. is API-5CT1188 & API-5DP0085.
Our special is that we can process Extreme line (E-threads) connections according to API, including externally-threaded articles, internally-threaded contained connecting threads, metallic-sealed structures, and torque shoulders. Compared with other common threading, Extreme line has many distinct advantages, such as easier removing, higher connecting strength, and the thread toothed angular distributed in 1:8 cone with high technical requirements.
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