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semirara mining crusher

•1940 Pres. Quezon through Proclamation # 649 declared the islands of Semirara, Sibay, • and Caluya of Antique as coal mining reservation • 1980 Incorporated in the Philippines as a limited liability company • 1983 Initial public offering, listing on the Philippines Stock Exchange • 1984 Commercial production at the Unong mine commenced • 1997 DMCI Holdings, Inc. (DMCI-HI ...

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