Yi Yi Special Steel (Jiangsu) Co., Ltd. Our regular products include: 16Mn seamless steel tubes, thick-walled steel tubes, large-diameter thick-walled pipes, etc. The cold-rolled precision bright pipes produced by our factory have smooth surfaces, uniform wall thickness, no oxidation layer, and high precision. The inner holes of the steel tubes can be circular, spline, or梅花-shaped, and are widely used in the automotive, motorcycle, power, petrochemical, shipbuilding, aerospace, bearing, pneumatic components, hydraulic cylinders, boiler equipment industries. Material grades include: 10#, 20#, 35#, 45#, GCr15, 40Cr, 16Mn, etc. Customized precision tubes according to customer requirements are available. Special materials and specifications can be pre-ordered. Our company produces seamless steel tubes according to Chinese National Standard (GB), American ASTM (ASME), German DIN, Japanese JIS, and British BS standards. Specific types include low and medium pressure boiler tubes, high-pressure boiler tubes, shipboard seamless steel tubes, petroleum cracking tubes, high-pressure fertilizer equipment tubes, sleeve tubes, pipeline steel tubes, hollow sucker rods, general fluid steel tubes, structural tubes, and imported alloy steel tubes, etc. The product range is rich and specifications are complete, widely used in the petrochemical, power, boiler, shipbuilding, machinery, and other industries. Products have been distributed throughout the country. Many products have been exported to the Middle East, India, Southeast Asia, and Europe and the United States.
Simultaneously, our company has been manufacturing, selling, and agency-selling steel pipes produced by several major steel pipe factories such as Chenggang, Baogang, Angang, Tiegang, and Henggang: 10#, 20#, 45#, 16Mn, 27SiMn, Q345B, 35CrMo, 20Cr, 40Mn2, 40CrMo, 20CrMnTi, 10CrMo910, 15CrMo, 12Cr1MoV, 20G, st52, s45c, as well as pipes for geological, pipeline, chemical, and power industries. All products comply with national standards: GB8162-87, GB8163-87, GB3087-82, GB5310-95, and GB6479-86. We offer a wide range of steel pipes including seamless steel pipes for high-pressure boilers, oil cracking pipes, imported alloy steel pipes, alloy seamless steel pipes, bearing steel pipes, special welding pipes, spiral pipes, galvanized pipes, and stainless steel pipes. Our inventory is ample and our product variety and specifications are comprehensive. Adhering to the principle of low-price operation and high-quality sales, we ensure customer satisfaction. Integrity and professionalism are our service tenet. We are committed to providing our new and existing customers with top-notch products and excellent service. We warmly welcome new and old customers to call, write, or visit us for business discussions and work guidance!
