- Mike Sierra Trading Corporatio
- Mineral resources -(manganeseore etc. ).
- Address:Marine Cor Faustino
- Bullaburra Cebu Trading
- mineral resources.
- Address:7B, Lot 32, 10th Street, BF Townhomes, Abuno Pajac, Lapu Lapu, Cebu City, Philippines
- Mike Sierra Trading Corporation
- Mineral resources -(manganeseore etc. ).
- Address:Marine Cor Faustino
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