... 14000 8 sets punching machine the daily output is 1000 square meters Perforated metal :Material :stainless steel plate,low carbon ... ,copper plate, manganese steel plate,etc.Hole Patterns:round,square hole, diamond hole,long round hole,hexgonal hole, triangle hole, scale hole, oval ... was estabilshed in 1996, covering an area of 68,000 square meters .It`s a private enterprise with the registered capital ...