Tianjin Yuantai Derun Group’s square and rectangular welded steel pipes were awarded AAAAA product certification by the Institute of Metallurgical Industry Planning

According to the specific requirements of "rest assured" for square and rectangular welded pipes for structural purposes, square and rectangular steel pipes for general structural purposes, the standard comprehensively considers the quality consistency, quality feedback, product certification, honorary awards at the product level, quality assurance ability at the enterprise level, innovation ability, enterprise integrity, service level, informatization level and other contents. Centering on the transmission of enterprise product quality assurance ability and product brand value, develop scientific, reasonable, advanced and applicable evaluation standards, provide the basis for the next step of structural purpose welded pipe, general purpose cold rolled or hot rolled welded steel pipe assured brand certification, cultivate and build steel products "assured brand".