black iron oxide powder Manufacturers and Suppliers China - Price - Dongtian

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Ultra Pure Black Iron Oxide Powder Fe3O4
Fe3O4 Industry Grade
Industry Ferroferric Oxide for Pigments or Polishing Agent or Iron Catalyst F...

Dongtian Innovation Industrial Zone, Lingqiiu, Datong, Shanxi Province, China.
+86-0352-3333789/15703526665
dongtiankuangye@yeah.net
http://m.ironoreconcentrates.com/

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