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Beijing Commercial Sky Environmental Protection Equipment Co. Ltd. (BCSCO), a joint- venture company registered in Beijing of China, is specialized in water treatment engineering field since 1994.

As a reform pioneer in water treatment field in China, BCSCO first introduced the advanced automatic softener - into China market, made a revolution in this field. We imported Controlling Valves from Fleck Control Inc. of the USA and other equivalent softener from the USA to Beijing and combined with resin tanks made domestically to produce the new softener in Beijing.