Stainless steel seamless pipes with standard ASTM A312, A213, A268, A269, A51, A789, A790, A450, A450M, B163, B165, B167, B423, B444, B407, B668, 677, B690, B622, JIS 3463, JIS 3459, DIN 2462, DIN 17458, DIN 17456, Gost 9941-81 and materials 304/304H/304L, 321/321H, 310S, 347H, 2520, 310S, 316/316L/316Ti/ 316H, 317L, 904L, S32205/2205, S32750/2507, S32304, 405, 410/410S/410L, 409, 420, 430, 444, 446 etc.; Stainless steel welde pipes with standard ASTM A312, A249, A269, A270, A358, A778, A790, A554, JIS G3459, G3446, DIN11850 DIN10296-2, EN10217-7, ISO2037 and materials 304/304l, 316/316L, 321 S31803, S32205/2205, S32750/2507, 409L, 410, 420, 430 etc.; Stainless steel fittings with standard ASME B16.9, B16.28 and materials ASTM A403, A 815, S32205/2205, S32750/2507, S32304, WP304/304L, WP316/316L, WP317, WP321/321H, WP347/347H.