We emphasize advancement and introduce new products into the market each year for Steel Rectangular Tube to French, Mild Steel Square Pipe, Carbon Steel Pipe Lifespan, Roughness Of Welded Steel Pipe,Sleeve Lock Trailer Coupler. Now we have established steady and long business relationships with customers from North America, Western Europe, Africa, South America, more than 60 countries and regions. The product will supply to all over the world, such as Europe, America, Australia,Puerto Rico, azerbaijan,Chile, Belize.The design, processing, purchasing, inspection, storage, assembling process are all in scientific and effective documentary process , increasing usage level and reliability of our brand deeply, which makes us become superior supplier of the four major product categories shell castings domestically and obtained the customer's trust well.