... . 3) Certificate: CE, ISO9001 CERTIFICATESWe have got the CE and ISO9001. MATERIAL304, 304L, 316, 321, 310S, 1.4301, 1.4372, 1.4319, 1.4401, 1.4845 ... ,DIN2569,DIN2576,DIN2628,DIN2630,DIN2631,etc.5. BS Standard flangesEN1092-1: Type 01, Type 02, Type 04, Type 05, Type 11 ... 12, Type 13, Type 21,EN1092-2, EN1092-3, EN1092-46. South African Standard flangesBS4504: 6/3, 10/3, 16/3, 25/3, 40/3SABS1123: 600/3 ...