Our brief product include the United States standard, German standard,Japanese standard, England standard#15-3000 carbon steel, stainless steel, alloy steel, downward welding, butt welder,high pressure flange ,elbow, big-small end, tee and crosspiece and so on. The output of year is 12000 ton. We have a through mastery of the quality and type and the product has passed ISO9001:2000quality guarantee system attestation. The product sells Europe and America, Japan, Singapore, middle east and Iran...etc. in Korea,sand nation.