RONGWIN manual folding machine is developed on the basis of multi-year production and use, has various specifications and various specifications, and has the advantages that the upper die or the adjustable lower die can be adjusted during the activity of the manual folding machine, the tool can be adjusted according to the panel, and different sizes can be processed according to different requirements, The metal plate is folded out of a flanging or a four-sided bottom piece or a disc piece.