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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When welding directly to base metal, the base metal shall be no thinner than 1/3 the stud diameter.

当（螺柱）直接焊于母材时，严禁母材厚度薄于螺柱直径的1/3。

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When welding directly to base metal, the base metal shall be no thinner than 1/3 the stud diameter.

当（螺柱）直接焊于母材时，严禁母材厚度薄于螺柱直径的1/3。

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