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  & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; < span style = "FONT-FAMILY: Microsoft YaHei, Microsoft YaHei" shadow should be new energy efficiency standards, our timely 65 series three glass two empty aluminum alloy doors and windows energy saving logo, so far, our engineering gradually adopted this series product identification, devoted to the practical projects. And will continue to develop new energy-saving doors and windows, to get the logo, please pay attention.