"High-density polyethylene (HDPE) pipes and fittings for building drainage" is now approved as the urban construction industry product standard, numbered CJ/T250-2018, and will be implemented from April 1, 2019. The original "High-Density Polyethylene (HDPE) Pipes and Fittings for Building Drainage" (CJ/T250-2007) 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 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 250-2018 history
2019CJ/T 250-2018 High-density polyethylene (HDPE) pipes and fittings for building drainage
2007CJ/T 250-2007 High density polyethylene pipes and fittings for drainage inside buildings