What is the ranking of Shandong Mining Machinery Group Co., Ltd.?
22. According to the list of the top 50 coal mining enterprises in China, the 22nd place is Shandong Mining Machinery Group Co., Ltd., which was established in 1955 and has 22 holding subsidiaries and Sun Company. It was listed on the Shenzhen Stock Exchange on 20 10, 12 and 17 (stock code: SZ002526).