In 2004, it was recognized as "national inspection-free product", and in 2009, it was recognized as "China well-known trademark" by China State Administration for Industry and Commerce. The projects developed by R&D Center "Application Technology of Rigid PVC Pipes and Fittings for Building Drainage", "Application Technology of Rigid PVC Pipes and Fittings for Municipal Water Supply" and "Application Technology of Welded Aluminum-plastic Composite Pipe for Water Supply" are listed as the promotion projects of scientific and technological achievements of the Ministry of Construction. "Polyethylene (HDPE) pipes and fittings for water supply" and "HDPE wound structural wall pipes for underground use" were rated as national key new products. Random polypropylene (PP-R) pipes and fittings, buried polyethylene (HDPE) wound structural wall pipes, water supply polyethylene (HDPE) pipes and fittings, and PVC-C buried high-voltage power cable sheath pipes have been rated as recommended products for construction projects by China Building Materials Industry Association.