The national standards for injection water equipment are as follows: (1) GB 9706.1-1995 Medical Electrical Equipment Part 1: General Safety Requirements (2) GB-52261-2002 Safety of Machinery Electrical Equipment of Machinery Part 1: General Technical Conditions (3) GB20801.1-GB20801.6-2006 Pressure Pipeline Specification - Industrial Pipeline If you have any questions about the national standards for injection water equipment, please feel free to contact the staff of Carryclean Company at any time