The "Socket-type Metal Pipe Fittings for Construction" is now approved as the product standard for the urban construction industry, numbered CJ/T117-2018, and will be implemented from April 1, 2019. The original "Copper Pipe Fittings for Construction (Socket Type)" (CJ/T117-2000) 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 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 October 30, 2018
CJ/T 117-2018 history
2019CJ/T 117-2018 Socket metal pipe fittings for construction
2000CJ/T 117-2000 Copper tube fittings for construction (Spigot and socket joint)
1996JG/T 3031.8-1996 Copper pipe fittings and caps for construction