Special Stainless Steel Pipe, alloy and seamless and EFW thick wall pipe Special Stainless Steel Pipe, alloy and seamless and EFW thick wall pipeDetailed Product ... other specifications according to your requirements2) Our products are corrosion and high-temperature resistant3) The main grades are 304, 304L, ... paper-making, chemical, medical equipment, aviation, boiler heat-exchanger and other fields