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The Shanghai double hawk clean service limited co***ny founds in 1992, once to the Shanghai gold cyclopentadiene building (88), 80,000 human of Shanghai stadiums, the Shanghai theater, a subway line, two lines and so on altogether more than 400 major and medium enterprise's high difficulty building outer walls carried on the clean, renovates, in the room maintains cleanliness, central work and so on air conditioning maintenance, clean, received the domestic and foreign expert's consistent high praise, in or...
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