19 branch. The subsidiaries of Shanxi Jiantou Group are as follows: Shanxi Construction Engineering Group Co., Ltd., Shanxi Jianyi Group Co., Ltd., Shanxi Erjian Group Co., Ltd., Shanxi Sanjian Group Co., Ltd., Shanxi Wu Jian Group Co., Ltd., Shanxi Bajian Group Co., Ltd., Shanxi Industrial Equipment Installation Group Co., Ltd., Shanxi Construction Investment Group Decoration Co., Ltd., Shanxi Building Materials Industry Design and Research Institute Co., Ltd., Shanxi Academy of Building Sciences Co., Ltd. Shanxi Xiaohe Construction Industry Co., Ltd., Shanxi Construction Machinery Co., Ltd., Shanxi Coal Planning and Design Institute (Group) Co., Ltd., Shanxi Mechanized Construction Group Co., Ltd., Shanxi Sijian Group Co., Ltd., Taiyuan Design and Research Institute of Coal Industry Group Co., Ltd., Shanxi Jiantou Materials Trading Co., Ltd., Shanxi Architectural Design and Research Institute Co., Ltd. ..