GB 28233 Hygienic requirements for sodium hypochlorite generator*, 2020-04-09 Update
GB 4208 Degrees of protection provided by enclosure(IP code)
GB 50015 Code for design of building water supply and drainage *, 2019-12-09 Update
GB 50052 Code for design electric power supply system
GB 50054 Code for design of low voltage electrical installations
GB 50055 Code for design of electric distribution of general-purpose utilization equipment
GB 50141 Code for construction and acceptance of water and sewerage structures
GB 50168 Construction and acceptance standards for cable lines in electrical installation engineering*, 2018-11-13 Update
GB 50169 English version of 10 engineering construction standards including "Code for Construction and Acceptance of Grounding Devices in Electrical Installation Engineering"*, 2020-01-10 Update
GB 50231 General code for construction and acceptance of mechanical equipment installation engineering
GB 50242 Code for acceptance of construction quality of water supply drainage and heating works
GB 50254 Code for construction and acceptance of low-voltage apparatus Electric equipment installation engineering
GB 50275 Code for construction and acceptance of fan,compressor and pump installation
GB 50303 Code for acceptance of construction quality of building electrical engineering
GB 50364 Technical standard for application of solar water heating system in civil buildings*, 2018-08-21 Update
GB 50366 Technical code for ground-source heat pump system
GB 5749 Hygienic Standards for Drinking Water*, 2022-03-15 Update
GB/T 13803.2 Wonden activated carbon for water purification
GB/T 17219 Standard for safety evaluation of equipment and protective materials in drinking water system
GB/T 18713 Solar water heating systems--design,installation and engineering acceptance