In order to strengthen the self-discipline of the building door and window industry in our province and support the development of new members, according to the requirements of China Construction Metal Structure Association's Notice on carrying out enterprise qualification assessment and strengthening industry self-discipline in building doors and windows industry (China construction gold Association [2015] No. 30), the association organized and carried out the first batch of three-level building doors and windows industry qualification declaration in 2023, and 32 enterprises met the conditions and obtained corresponding qualification certificates. 
