Our company is a big manufacturer manufacturing steel pipes, highway guardrails, steel profiles, steel fences, nails, welded steel products, scaffoldings, castings, fittings, fasteners, T-posts, Y-posts, galvanized and powder coated products and other related products. We are devoted to the steel products and anticorrosive work for steel. Our steel pipes are manufactured according to the standards of ASTM A53, ASTM A106, ASTM A120, ASTM A500, API 5L, API 5CT, ASTM A135, ASTM A795, EN10219, ...