Air Conditioning Systems in Sg Dua Reviews Directory. Find helpful customer reviews and review ratings for local places in Sg Dua. Read honest and unbiased reviews from our users. Home / Malaysia / Sg Dua / Air Conditioning Systems Air Conditioning Systems Brightair Engineering - Sg Dua No 17, Lorong Perusahaan Sg Lokan 3/4 Kawasan Perusahaan Sg Lokan , Sg Dua 13800,, Sg Dua, Malaysia 6043566882 Categories of Places Air Conditioning Systems Decorative Paints