Saturday, January 13, 2018

ok...bismuth is radioactive and germanium is high radioactive

..another "hot sale"..crystals from a PET
http://www.made-in-china.com/…/China-Bismuth-Germanate-Bi4G…


[Hot Item] Bismuth Germanate (Bi4Ge3O12) Crystal
This site would be your best choice when sourcing from China. Their buyer service is professional and it offers third party transaction service to protect your money
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