The "Building Door and Window Hardware Pulleys" is now approved as the product standard for the construction industry industry, numbered JG/T129-2017, and will be implemented from June 1, 2018. The original "Building Door and Window Hardware Pulleys" JG/T129-2007 was abolished at the same time. 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 Ministry of Standards and Quota Research Institute. Ministry of Housing and Urban-Rural Development of the People's Republic of China December 7, 2017
JG/T 129-2017 history
2017JG/T 129-2017 Construction door and window hardware pulleys
2007JG/T 129-2007 Building hardware for windows and doors -Rollers
2000JG/T 129-2000 Roller of rigid polyvinyl chloride window and door