GoodSound กระเบื้องเพดานโลหะอะลูมิเนียมร่องกันเสียง,แผ่นอะลูมิเนียมกายกรรมกันเสียง

The Nanhai High School auditorium is 3000m2 space, it is used for all kinds of sports competition. and all the whole school meetings are hold here too. After installed our acoustic panels, the voice inside are much more clearer and richer. The School is very satisfied with our jobs. and we are very happy about that too.