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Information search Catalog : all Industry news Industry information Human resource Engineering cases Manual Standards Technical glossary Knowledge about water Copyright Time: all within a week within a month within 6 months within a year Range: title content all   Information   News center   Engineering cases   Data base   Human resource   back

[ Library] [Manual ] ◆ How to calculate environmental expense? ◆ China uses hyacinth to treat pollution ◆ High-flow velocity double-chamber water treatment facility ranks top in China. ◆ Sulfur dioxide, killer of health ◆ Market analysis of beverage and mineral water more>> [Standards ] ◆ Hygienic standard of bottled purified water for drinking [GB 17324-1998] ◆ Multi-function control valve for pumping system (CJ/T167－2002) ◆ Hygienic standard of ground water quality ◆ Hygienic standard of drinking water GB 5749-85 more>> [Technical glossary] ◆ Pure water and super pure water ◆ Original water, softened water and desalted water ◆ Coagulating agent, biologic flocculant and auxiliary coagulating agent ◆ Water chroma, hardness ◆ Single substance, compound and mixture more>>

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