槽鋼按形狀又可分為4種：冷彎等邊槽鋼、冷彎不等邊槽鋼、冷彎內卷邊槽鋼、冷彎外卷邊

依照鋼結構的理論來說，應該是槽鋼翼板受力，就是說槽鋼應該立著槽鋼，普通槽鋼規(guī)格而不是趴著。

According to the channel shape and can be divided into 4 kinds: cold bending equilateral channels, cold-formed non equilateral channel steel, cold rolled steel, cold bending edge edge

According to the theory of steel structure, it should be the force of the channel steel wing plate, that is to say the channel steel should stand the channel steel, ordinary channel steel specification rather than lie.

裝飾材料分為兩大部分：一部分為室外材料，一部分為室內材料。室內材料再分為石材，板材、片材、型材、線材五個類型。

Decorative materials are divided into two parts: one is outdoor materials, the other is indoor materials. Indoor materials are further divided into five types: stone, sheet, sheet, profile and wire.