1, seamless use of a wide range. General use of seamless pipe by the ordinary carbon structural steel, low-alloy structural steel or alloy structural steel rolling, the largest output, mainly used for conveying fluid pipe or structural parts.

2, according to the use of different sub-three supply: a, according to the chemical composition and mechanical properties of supply; b, according to the mechanical performance supply; c, according to the hydraulic test supply. According to a, b class supply of steel pipe, such as for the use of liquid pressure, but also for water pressure test.

3, the special purpose of the seamless tube with a seamless pipe, geological seamless pipe and seamless use of oil and other.