The "Glass Fiber Reinforced Polyurethane Energy-Saving Doors and Windows" is now approved as the product standard for the construction industry industry, numbered JG/T571-2019, and will be implemented from December 1, 2019. This standard is made public on the website of the Ministry of Housing and Urban-Rural Development (www.mohurd.gov.cn), and is published and distributed by the China Standards Press organized by the Standards Quota Research Institute of the Ministry of Housing and Urban-Rural Development. Ministry of Housing and Urban-Rural Development of the People's Republic of China July 18, 2019
JG/T 571-2019 history
2019JG/T 571-2019 Glass fiber reinforced polyurethane energy-saving doors and windows