Production of the product specifications from the group are: Outer diameter of 6-89mm and a thickness of 0.41 - 8mm, the main material brands: 0Cr18Ni9 (304), 00Cr19Ni10 (304L), 0Cr18Ni10Ti (321), 0Cr18Ni11Nb (347), 0Cr17Ni12Mo2 (316), 00Cr17Ni14Mo2 (316L ), 1Cr18Ni9Ti (321H), 0Cr25Ni20 (310S), the products in accordance with GB GB/T14975, GB/T14976, GB13296, GB5310, the United States marked STMA312, ASTMA213, ASTMA269, ASTMA450, ASTMA999, ASTMA1016, Japan Standard: JISG3459, JISG3463 production standards.