Metal door frame making machine
In the market, there are many type metal door frame. Here I will take one of the most popular type for your reference.
The machine working speed is around 15 m/min. It is composed by decoiler, leveling part, main rolling forming machine and the receiving table.
Half Round Gutter Pipe Machine, Downpipe Machine, Rain Water Pipe Machine
Zhongtuo Roll Forming Machinery Co., ltd , http://www.rollsformingmachines.com