Yi Yi Special Steel (Jiangsu) Co., Ltd. primarily sells materials: Q345D, Q345B, Q345C, Q345E, Q355B, Q390B, 20#, 10#, 20#, 35#, 45#, 20#3087, 20G5310, Q345B, Q345C, Q345D, Q345E, 16Mn, Q355B, Q355C, Q355D, Q355E, 27SiMn, 20CrMo, 30CrMo, 35CrMo, 42CrMo, 20Cr, 30Cr, 40Cr, 15CrMoG, 12Cr1MoVG, 20CrMnTi, 37Mn5, 45Mn2, 40Mn2, 15CrMo, 12Cr1MoV, 1Cr5Mo, 10CrMo910, SA-210C, SA-106B, T12, P12, T22, P22, P91, T91, P92, T92. J55, K55, N80, P110, L245/x42, L290/x50, etc. Our product standards include GB/T8162 (structural pipe), GB/T8163 (fluid pipe), GB/T3087 (low and medium pressure boiler pipe), GB/T5310 (high pressure boiler pipe), GB/T9948 (crude oil cracking pipe), GB/T17396 (hydraulic support pipe), GB/T6479 (fertilizer pipe), GB/T3639 (cold drawn or cold rolled precision seamless steel pipe), GB/T18984 (low temperature pipeline steel pipe), as well as American standards ASTM, ASME, German standards, European standards, Japanese standards, and more. In its future development, the company will strive to evolve towards diversification and scaling. In the field of seamless steel tube manufacturing, the three main development lines are the continuous development of new varieties, the enhancement of alloy ratios, and the reduction of production costs. By offering superior products at lower costs and with stronger advantages, the company aims to continually expand its market share. In the international metal trade and logistics sector, the primary areas of development include e-commerce, information trading, and financial investment guarantees.
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