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mining engineer best in yemen

In 1929 the American millionaire Charles Crane sent mining engineer Karl Twitchell to Yemen to assist with water supply and agriculture and investigate mineral prospects Harry St John Philby an adviser to the Saudi king visited Shabwa in 1936...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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