Companies rely on the progress of scientific and technological, and has hot piercing, cold rolling to open embryos, high-precision hydraulic cold for straightening and finishing, and other major non-embroidered cold steel for seamless steel tube production lines. The company produces stainless steel, the steel number are: 304, 321, 304 L, 316, 2520, 317 L, two-phase steel.we are appreciate to your inquire.