Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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CJ/T 474-2015 Information system for urban water supply management. Classifying and coding for water supply quality index via email in business day valid
SL 310-2004 Technical code for water supply engineering of town and village 1980.0 via email in 1~10 business day valid
SL 308-2004 Qualification standard of water supply works for villages and towns 240.0 via email in 1~3 business day valid
HY/T 167-2013 Design code for domestic seawater system 180.0 via email in 1~3 business day valid
CECS 193-2005 Technical specification for long distance water transmission pipeline engineering of urban water supply 160.0 via email in 1 business day valid
SL/T 231-1998 Standard for antiseepage engineering lined with polyethylene (PE) geomembrane 300.0 via email in 1~3 business day valid
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