Specification for steel profiles
At present, the smallest domestic steel profile section for the 60 series, a screw-connected window called steel-plastic composite doors and windows,
That might be a titanium alloy, and now the kitchen is very popular. A lot of wardrobe are used to do that, I have not done. I have 40 steel small profile, you can use screw connection, can also be welded
Before 50, did not use 40 or 38, 10 years ago I have done spliced steel, and now who is willing to splicing ah. But really want to splice, and now have steel can also be spliced.