Shanghai Yunkun Steel Pipe Group Co.,Ltd. as a modern comprehensive enterprise, has four subsidiaries, and its business covers the production and manufacturing,inventory sales,warehousing and transportation of special steel pipes. After 20 years of deep cultivation in the special steel pipe industry,the company has always focused on the research and development and manufacturing of special pipes. It has now developed into the largest special steel pipe stockist in East China and enjoys extensive influence in the domestic special steel pipe industry. Our company has strong customized production capabilities and can customize and supply various types of pipeline products in accordance with international standards such as GB, ASTM/ASME, DIN/EN, BS, JIS, GOST and specific needs of customers.Yunkun Steel Pipe's special steel pipe series include JIS G3467/3458/3462, ASTM A213/A335 (ASME SA213/335), DIN17175, EN10216-2: STFA25 STPA25 STBA25 T5 P5 X11CrMo5+I X11CRMo5+NT 15X5M (china 1Cr5Mo), STFA22 STPA22 STBA22 T12 P12 13CrMo44 13CrMo4-5 15XM (china 15CrMo); STFA23 STPA23 STBA23 T11 P11; STFA26 STPA26 STBA26 T9 P9 X11CrMo9-1+NT X11CrMo9-1+1; 12X1M 13Cr1Mo1V (china 12Cr1MoVG); STFA24 STPA24 STBA24 T22 P22 10CrMo9-10(china 12Cr2Mo);T91 P91 X10CrMoVNb9-1(china 10Cr9Mo1VNbN);R101(china 12Cr2MoWVTiB);WB36(china 15NiCuMoNb5);ASME/ASTM SA/A333Gr6;ASME/ASTM SA/A106GrB;ASME/ASTM SA/A53GrB;API5L B/L245 L290/X42 L360/X52 L415/X60 L450/X70-PSL1/PSL2(M\N\Q);EN10210-1 S335J0H/J2H/K2H;EN10297-1 E355/E355K2;ASTM A519, EN10083 4130X/4135X/4142X/4145X/4147X\34CrMo4 and other specifications to meet the needs of different industries. Yunkun Steel Pipe Group's production and storage bases are distributed in important bases for China's steel distribution - Shanghai Baoshan, Jiangyin Huaxi, Anhui Tianchang, Tianjin Beichen and other places. The geographical location is unique and the transportation is convenient, which provides a strong guarantee for efficient operation. The special steel pipes we provide are widely used in various fields of the national economy such as power, chemical, machinery, shipbuilding, oil fields, etc., and grow together with more than 500 high-quality customers, including Weatherford, China Baowu, China Petroleum, Sinopec, CNOOC, Sinochem, National Pipeline Network, Zhejiang Energy, China Resources Gas and other industry leaders. Yunkun Steel Pipe Group is committed to building the most complete and fastest supply chain system for special pipes and pipe fittings in China. To this end, the company has established a solid agency cooperation relationship with large seamless steel pipe manufacturers such as Hengyang Valin, CITIC Pacific Special Steel Group (Yegang, Tianjin Steel Pipe, Jingjiang Special Steel, Zhejiang Taifu), Baosteel (including Lubao), Baosteel, and Baotou Steel to jointly promote the market expansion and underwriting services of seamless steel pipes. In operational practice, the company always adheres to the development concept of quality as the core and service as the driving force. By establishing a complete quality management system and after-sales service tracking system, the company ensures stable and reliable product quality to meet the growing needs of customers. All employees of the company uphold an honest and professional attitude and sincerely work together with friends from all walks of life to create a brilliant future. Looking to the future, Shanghai Yunkun Steel Pipe Group Co., Ltd. will continue to adhere to the business policy of "surviving by quality and promoting development by service", continuously improve its own strength and market competitiveness, and strive to set a higher benchmark in the special steel pipe industry, and make greater contributions to achieving sustainable development and social prosperity.