... 3,Factory price 4.Specially designed for mould industry High power mould laser welding machineIntroductionMobile arm laser welder is ... from the Britain.Laser welder is corrosion resistant and high temperature resistant, and has 8-10 years service ... alloy steel, nickel tool steel, high grade steel, steel alloy, high tenacity aluminum alloy, etc.Machine High power mould laser welding machine 330W/400W