Plasma Nozzle, Plasma Electrode, Laser Lens manufacturer / supplier in China, offering Fwincnc Fused Silica Protective Windows for Laser Welding Head 10*2 18*2 19*2 20*2 21.5*2 30*2 30*3 mm Laser Welding Protective Lens, Fwincnc Laser Welding Lens Hand-Held Fiber Protective Window Lens 18X2mm for Cqwy Sup20 Sup21 Wsx5, Fwincnc Welding Laser Lens Protective Windows Glass for Handheld Gun Head D10 D18 D20 D30 D40mm Optical 1064nm 0-3kw 0-6kw Weld Machine and so on.