The following are the two most important steel subsidiaries, Laiwu Steel and Yinshan Steel.
Helaigang Construction Co., Ltd., Laigang International Trade Company, Shandong Metallurgical Design Institute, Laigang Electronics Co., Ltd., Machinery Manufacturing Co., Ltd., Shandong Yinshan Public Security Bureau, Yinshan Information Network Security Alarm Website, Shandong Xintai Copper Co., Ltd. and several branches and secondary units.