ADO (Tianjin) Trading Co. Ltd is a professional supplier of welded API steel pipes, fittings and profiles.We produce about 500, 000 tons of welded steel pipes and galvanized pipes of various specifications annually that are popular both in domestic and international markets. Our products had been sold to Europe, Austrilia, South Asia, Middle East, Mid and South America, Russia and Africa.We also export 70, 000 MT of square and rectangular hollow sections.Sticking to the principle of honesty and trustworthiness as well as the absolutely sincere spirit to provide best service, we have expanded our market to the whole world. We hope we could have chance to offer our products and service to you.
