High-quality comes 1st; assistance is foremost; business enterprise is cooperation" is our business enterprise philosophy which is constantly observed and pursued by our business for square tube 500×500, 16mm Wall Thickness Carbon Seamless Steel Pipe, 12 Inch Erw Pipe, Hot Galvanized Steel Pipe,Scaffolding Erw Steel Pipe. Let's cooperate hand in hand to jointly make a beautiful upcoming. We sincerely welcome you to pay a visit to our company or speak to us for cooperation! The product will supply to all over the world, such as Europe, America, Australia,Montpellier, Sri Lanka,Brunei, Sri Lanka.We always insist on the principle of "Quality and service are the life of the product". Till now, our products have been exported to more than 20 countries under our strict quality control and high level service.