ACS is a French health certification body, the full name is (Academia constiintei de sine), mainly according to the standards issued by AFNOR (Association Francaise de Normalisation) (such as XP P41-251) to test plumbing equipment products. There are currently laboratories in Paris and Lille.
China established a water-saving product certification system in 2002, and immediately launched a water-saving certification project. Water-saving certification is implemented by China Standardization Certification Center (formerly China Energy-saving Product Certification Center). Water-saving product certification is a compulsory certification, and all products listed in the certification catalog must be certified before they can enter the market.