... machine for mother of pearlFeatuer:High accuracy,swift speed,no pollution,low noise,stable functionNo contact and machanical ... machine is widely applide in various kinds of metal and non-metal,such as stainless steel,carbon ... steel,copper plate,aluminium plate,other metal plates and pipesTechnical Parameters:Max.Outout Power: 200W/400W/500WLaser ... Water cooling laser cutting machine for mother of pearl