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South africa origin chromite foundry sand AFS size china supplier china manufacturer china exporter

South africa origin chromite foundry sand AFS size china supplier china manufacturer china exporter

We import 44% grade chrome ore from south africa,then manufacturing to 46% grade AFS size chromite foundry sand at china tianjin port or lianyungang port.

Then sell in china and export to wordwide countries.

Quality standard  : 46% min cr2o3     1% max sio2

size standard: AFS25-30 AFS30-35 AFS35-40 AFS40-45 AFS45-50 AFS50-55 AFS45-55 AFS50-60 AFS60-70    325MESH 200MESH

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