Nanjing Songfa Trading Co., Ltd. specializes in seamless steel pipe specification: 5mm * 1mm-1020mm * 200mm alloy steel pipe, 38mm-127mm outer diameter cold-rolled seamless steel pipe, 127mm-377mm outer diameter, 16mm-100mm wall thickness, and ± 0.5% outer diameter accuracy, Wall thickness accuracy ± 5% hot rolling medium thick wall seamless steel pipe, 16Mn outer diameter 400-1600mm, wall thickness 20-60mm large diameter thick wall rolling pipe, can be fixed to 16m and various specifications of thick wall steel pipe, seamless steel pipe, 16Mn steel pipe, alloy steel pipe, boiler steel pipe, etc. the types of common steel pipes are: thick wall steel pipe, seamless steel pipe, 16Mn steel pipe, alloy steel pipe, Boiler steel pipe, seamless steel pipe for fluid, seamless steel pipe for hydraulic pressure, seamless steel pipe for electric power, seamless steel pipe for petroleum transportation, seamless steel pipe for fertilizer equipment, seamless steel pipe for coal mine, stainless steel seamless steel pipe, seamless steel pipe for chemical industry, seamless steel pipe for textile machinery, automobile; seamless steel pipe for water conservancy, precision seamless steel pipe, bright seamless steel pipe, seamless steel pipe for military medical treatment , seamless steel pipe for pipeline, seamless steel pipe for pillar, alloy seamless pipe, high pressure seamless pipe, large diameter straight seam welded pipe, etc. It is suitable for engineering, coal mine, textile, electric power, boiler, machinery, military and other fields. With good reputation, high-quality products, strong strength and low price, the company is well known in more than 30 provinces, cities, autonomous regions, municipalities directly under the central government and abroad, and its products are deeply relied on by users