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Duong Ngoc Anh Mechanical Refrigeration Service And Trading Co., Ltd
Air Conditioning Contractors
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Duong Ngoc Anh Mechanical Refrigeration Service And Trading Co., Ltd – abbreviated as DNA – is a professional M&E refrigeration contractor established in 2017, headquartered at 192 Le Trong Tan Street, Thanh Xuan District, Hanoi. After more than 7 years of operation, DNA has affirmed its position as one of the leading reputable companies in supplying, installing, and constructing air conditioning systems in Hanoi and provinces nationwide. With the operating motto “Prof
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Duong Ngoc Anh Mechanical Refrigeration Service And Trading Co., Ltd – abbreviated as DNA – is a professional M&E refrigeration contractor established in 2017, headquartered at 192 Le Trong Tan Street, Thanh Xuan District, Hanoi. After more than 7 years of operation, DNA has affirmed its position as one of the leading reputable companies in supplying, installing, and constructing air conditioning systems in Hanoi and provinces nationwide. With the operating motto “Prof Công ty TNHH Thương Mại và Dịch Vụ Cơ Điện Lạnh Dương Ngọc Anh – tên viết tắt DNA – là nhà thầu cơ điện lạnh chuyên nghiệp, được thành lập từ năm 2017, có trụ sở tại 192 Lê Trọng Tấn, Quận Thanh Xuân, Hà Nội. Trải qua hơn 7 năm hoạt động, DNA đã khẳng định vị thế là một trong những đơn vị uy tín hàn...