蜜桃av噜噜一区二区三区,无码中文字幕一区二区三区,女人张开腿让男人桶爽免,欧美videos巨大粗暴,精品欧美熟妇高潮喷水特黄,中文字幕亚洲图片,色一夲道在线综合,国产亚洲3p无码一区二区,夜色爽爽午夜福利院18禁,久久国产乱子伦精品免费一

Grille ceiling has good wind performance, permeable structure, criss-cross ceiling main and secondary bone combination square lines straight, clear longitude and latitude, with a sense of concealing visual direction, can effectively relieve the sense of oppression brought by space, suitable for large areas of installation.

Product features
Product features of grille ceiling
Shape: square shape
Material :AA grade aluminum alloy
Plate thickness :0.5mm~0.8mm
Manufacturing process: molding
Common specifications :50x50, 75x75, 10Ox100, 150x150, 200x200,
Combined grille, base width :10mm and 15mm, each length L=2000mm
Surface treatment :Akzo Nobel electrostatic powder spraying, coating thickness 0.06~0.1mm
A variety of standard colors can meet the requirements of color design
Custom type: Special size, surface color, installation can be customized
Mounting system: grille hanger mounting system

Product specifications