The production process of plum blossom hole perforated board

Hole type specifications: The main specifications of punching mesh are rectangular holes, square holes, diamond holes, round holes, long round holes, hexagonal holes, cross holes, triangular holes, long waist holes, plum blossom holes, fish scale holes, pattern holes, eight-character holes Nets, herringbone holes, pentagram holes, irregular holes, drum holes, special-shaped holes, louver holes, etc.