เครื่องหน้าต่าง upvc คืออะไร?
12 Jan, 2021Which window and door machinery and equipment are needed for the processing and production of plastic steel doors and windows?The first is the cutting equipment for plastic steel window and doors. This type of equipment mainly includes double-head cutting saws for plastic steel window and doors, V-cutting saws for plastic steel doors and windows, and plastic steel window and doors glass bead cutting saws. You can cut a length of plastic steel profile with a double-head saw, and then measure......