Negative ions tester help you test negative ion any where
2019-07-23 17:36:36
tourmaline powder,negative ions powder,alkaline ceramic ball supplier - MEICONG MINERALS CO.,LTD
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This will help you test the negative ions any where in minerals, textile, ceramic, paint, rubber,air and so on.
It tests exaxctly, now we sell it with competive pirce.
If you have any inquire pls let us know: email: info@mcreagents.com
