In recent years, along with improving of production process and technical progress for the water meter , material selection for water meter tend to be more economic and environmental protection material such as stainless steel, There’s defects in the original CJ266 (drinking cold water meter security rules) standards,Which bring so much inconvenience to product design, selection of users and industry standard management .In order to standardize the structural dimensions, materials, safety and technical requirements for the pressure parts (such as the connector pipe&nut, watermeter fitting cover, watermeter body and watermeter glass, etc.) used for drinking water cold water meter, standardize enterprises and make it easy for users to choose and use.

Water meter working committee of China metrology association standard for drinking water cold water meter security rules meeting was held in Beijing on 22th,Sep,2020, the meeting by the Beijing municipal tap water group JingZhao meter Co., Ltd., Ltd, Sanchuan Wisdom Technology Co., Ltd, ningbo, east China sea instrument channel Co., Ltd., assist, meeting with a total of 46 JiaCan scale enterprises (Yuhuan Zhanfan Machinery co ltd also honorable to be invited to be there.), water meter working committee, director of the committee members have been invited to Luo Xinyuan, deputy secretary-general Li Hongwei, metrology institute of zhejiang province Zhao Jianliang, Beijing municipal tap water group Co., Ltd., director, vice general what experts such as han,Negotiate with other working group members of the association to make the rules!