Jiangsu Yunze Special Steel Co., Ltd. regularly sells seamless steel tubes from major steel mills such as Hengyang Steel Plant, Chengdu Iron and Steel Group, Baotou Steel Plant, Baoshan Iron and Steel Group, Angang Group, Tianjin Pipe Group, and Jiangsu, including A106Gr.B/A333Gr.6 American standard seamless steel tubes, oil cracking pipes, Q345D seamless steel tubes, Q345E seamless steel tubes for high-pressure equipment, low and medium-pressure boiler tubes, high-pressure boiler tubes, alloy steel tubes, high-pressure alloy tubes, CCS ship-specific tubes, fluid tubes, and stainless steel tubes, with an annual sales volume exceeding 10,000 tons.Seamless steel tubes are mainly made of materials such as 10#, 20#, 45#, 20G, SA106 Gr.B, A333 Gr.6, Q345B, Q345C, Q345D, Q345E, 27SiMn, 1Cr5Mo, 1Cr9Mo, 12Cr5Mo, 12Cr1MoVG, 10CrMo910, 10Cr9Mo1VNb, Wb36, 15CrMoG, 35CrMo, 42CrMo, and ND steel seamless tubes. Key execution standards include: GB/T8163-2018 Seamless Steel Pipe for Fluid Tran...