TUV Rheinland Awards Haier the World’s First R290 ECO SMART Air Conditioner Production Line Safety Certificate
Caption TUV Rheinland Awards Haier the World’s First R290 ECO SMART Air Conditioner Production Line Safety Certificate
Source TUV Rheinland
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TUV萊茵為海爾頒發全球首張R290智能環保空調生產線安全證書