wall-ceiling channel test 墙壁
ceiling channel test 墙壁
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Our building products include aluminum ceiling, metal stud & track partition system, main channel & furring channel, gypsum board, suspension system , T grid system, wall angle, etc. ;
我们的建材产品包括铝天花,隔墙龙骨,石膏板,吊顶系列,T-型龙骨等;
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