AI

The reason for the formation of air leg rock drill water needle fault: The center hole of the shank is not correct, the gap between the shank and the shank is too large, the water needle is too long,

on the morning of September 29, the "China Association For Science And Technology Haizhi Experts Promoting Jining Innovation & Development Project Fair" jointly organized by the Jining Association for

The Association of Taiwan Investment Enterprises on the Mainland leaders, totally 24 persons came to Shandong China Coal Group e-commerce industrial park for investigation, China Coal Group Executiv

Shandong China Coal Group Chairman and General Manager Qu Qing attended 13th Standing Committee Meeting of Jining City Federation of Industry and Commerce

Business Etiquette Training was Held by Jining Industrial And Information Commercial Vocational Training School in order to further enhance the team's business reception ability, establish a good cor

Bangladesh merchants visited Shandong China Coal Group for Air Leg Rock Drill ​purchasement and relevant matters