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On August 17, the ISO9000 quality management system certification expert group visited Shandong China Coal Group to conduct the annual audit of ISO9000

Oh the morning of August 15th, the meeting of the Third Standing Committee of the 13th Jining Federation of Industry and Commerce (General Chamber of Commerce) and the “Double-Trigger Double-Leading”

In order to standardize the unmanned aircraft engaged in operational flight activities and promote the safe,

On June 29, 2018, Jining National High-tech Zone, "Liaohe First Sound", Issue No. 67, 2018, C02, published

On the afternoon of June 11th, Colombian merchants visited the China Coal Group E-commerce Industrial Park to conduct visits

On the May of 19, The May 19th China Tourism Day 2018 Shandong (Jining) Branch Event Celebration in Jining Tourists Service