beijing tsing da jiguang science and technology development co.,ltd -

beijing tsing da jiguang science and technology development co.,ltd

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photoluminescent powder
Specification: 200
Detail: This poeder is a type of unradioactive and environmental long after-glow photoluminescent material. Feer from any radioactive substance and with strong capability of absorbing-stroring-emilting light, thepowder can grow in th...


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