We, Threeway Steel Co., Ltd., is a branch of Hunan Shinestar Investment Group. Our group was established in 1996.
Our group has three mills, one for manufacturing seamless steel pipe, other two for ERW/SSAW steel pipe, both them are certified by API PSL2.Thus we desiged and manufactured steel pipes can meet or exceed API, ASTM, ANSI,DIN, EN, API, BS standard. Furthermore, we have good relationships with Hengyang Valin Steel Tube Co.,ltd(which is the 2nd biggest seamless manufacturer size range from 19-720mm, ( carbon and alloy).For some high steel grade seamless pipe like API X65/X70 NACE or P11/P12/P22/P5/P9/P91/T11/T12/T22 etc, we can offer you very good prices….
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