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•Longman standard provides 6-in-1 LED mixed color dyeing solution, red standard wavelength 625-635nm, green standard wavelength 525-530nm, blue standard wavelength 460-465nm, amber standard wavelength 585-590nm, white standard color temperature 6500K, fluorescent UV Color standard 390-405nm.
•Longman will also gradually launch dark red 660nm, yellow-green 560nm and dark blue 440nm to achieve 7-in-1 and 8-in-1.

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