Laser Diode, Laser Module, Bicycle Laser Light manufacturer / supplier in China, offering High Quality 660nm 45MW Crosshair Laser Module for Laser Positioning, High Quality 450nm 5W Blue Laser Module for DIY Engraving Cutting Focusable, High Power 450nm 4.5W 5W Blue Laser Module for DIY Engraving Cutting Focusable and so on.