November 22nd afternoon, a Denmark machinery company development engineers Guo Lei, quality expert Wang Bo visited China Coal Group for investigating in product procurement, long-term cooperation and
©Shandong China Coal Import & Export Co., Ltd. © 2017
Address: No. 11, North of Kaiyuan Road, High-tech Zone, Jining City, Shandong Province, China
Executive Editor: Zhang Wen / Editor: Linda Zhang