Selenium Powder2013-2-19
Foshan Wei Jun supply a large number of long-term stability of Japan's Sumitomo selenium powder, selenium powder imported German selenium powder.
Main purposes:...
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Bismuth Oxide (Bismuth Oxide)2013-2-19
Wei Jun Foshan Co., Ltd. supply of non-ferrous metals 99.9% bismuth oxide production.
Bismuth oxide is mainly used chemical reagents, Bi salt manufacture, glass...
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