Xin chao.toi muon tim hieu chi tiet hon nua ve nhung san pham ung dung thong minh lap dat trong nha.dac biet la he thong chieu sang. Ben canh do la nhung chinh sachsach uu dai. Dieu kien hop tac.nhung van de lien quan...vui long gui qua mail cho minh voi.cam on.
