Afternoon of February 17, director Cai, Lan and Secretary Cao of Jining High-tech Zone Binhe Science and Technology Park visited Shandong China Coal Group and made a investigation on the development
On December 5, Jining Hi-Tech District Federation of Trade Unions went into China Coal Group to carry out an activity to promote the spirit of the Third Plenary Session of the 20th CPC Central Committ
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