Production and operation of YAG phosphor and rare earthtricolor fluorescent powder, black light powder, animal lampphosphors, display, imaging, LED light-emitting phosphorsand other materials, as well as insect repellent, insecticidelamps. Production and operation of YAG phosphor and rare earth tricolor fluorescent powder, black light powder, animallamp phosphors, display, imaging, LED light-emittingphosphors and other materials, as well as insect repellent,insecticide lamps.
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