J type coupon

　　The J-type ceiling is installed with unidirectional slats to form unidirectional screen level vision: the lines are bright and elegant, and the appropriate height and visual angle can produce curtain effect; Its maintenance restriction is less, which makes the design change more dry, and the whole building space is smooth and transparent. It is widely used in office buildings, hotels, parking lots, subway stations, stations, airports, large shopping malls, etc.