... flangesMATERIALCarbon steel, alloy steel, stainless steelWe can produce according to materials appointed by consumersSTANDARDANSI, ASME, AP15L, DIN, JIS, ... BS, GBWe can also produce according to drawing by customers.RANGE OF APPLICATIONChemical industry, petroleum industry, ... best product in competitive price. Looking forward to build business relations with you. carbon steel punched bend