Other projects

Shandong Power Corporation

Shandong Mining Corporation

Qinhuangdao Huana Co., Ltd.

Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd.

Shandong Donghong Pipe Industry Co., Ltd.

Zhongyu Tiexin Transportation Technology Co., Ltd.

Zhucheng Yihe Axle Co., Ltd.

Shandong Mengyin Special Foundry