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Our main products include green, blue, red, yellow, infrared, ultraviolet, single-frequency and compared with traditional lasers, the advantages of all-solid-state laser and semi-conductor laser are small, high efficiency, long service life, good reliability, good quality of light beam, short wavelength, convenience in transportation and use, and pollution-free. Presently, these lasers are applied in laser direction, light source for teaching and experiment, medical diagnosis, instrument manufacture, laser orientation instrument, basic research, light storage, entertainment, detection, control, national defense and military, etc.