IMMSAIndustrial Minera Mexico S.A. (mining subsidiary of Grupo Mexico S.A. de C.V.)
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References in periodicals archive ?
El mismo dia el gobierno federal e IMMSA acordaron suspender las labores de busqueda durante tres dias, al advertir que las elevadas concentraciones de gas metano en la cavidad podrian poner en riesgo la seguridad de los rescatistas.
The IMMSA operations include Charcas, which was Mexico's largest producer of zinc but last year fell behind fellow IMMSA operation San Martin.
Highlights of this excellent conference include discussions of plant operations at Cominco's Trail operation, IMMSA's zinc refinery at San Luis Potosi in Mexico, the Cinkur zinc and lead metal production operations, the sixteen year operation at the Cajamarquilla zinc refinery, a description of improvements at Kokkola Zinc, recent operation of the Haematite Process at the Iijima Zinc Refinery, improvements in zinc recovery in the leaching circuit at the Met-Mex Penoles Electrolytic Zinc plant, the conversion of the Pasminco Hobart smelter to the paragoethite process, the automation of the zinc stripping process at Kidd Creek zinc electrowinning plant and the operation of the HBM&S zinc pressure leach plant.
Industrial Minera Mexico (IMMSA) a 100% subsidiary of Grupo Mexico, the largest mining and railroad companies in the country won MNRS.