How many companies are there in Zhongze Group?

12. According to the inquiry of official website of Zhongze Group, there are 12 private enterprises in Zhongze Group, namely: Shandong Zhongze Engineering Group Co., Ltd., Zhongze Holding Group Co., Ltd., Wuhan Zhongze Jian 'an Group Co., Ltd., Zhongze Industrial Holding (Shandong) Group Co., Ltd., Jiangxi Zhongze Real Estate Group Co., Ltd. and Qingdao Zhongze Industrial Group Co., Ltd. Inner Mongolia Zhongze Holding Group Co., Ltd., Henan Zhongze Construction Group Co., Ltd., Yibin Zhongze Investment Group Co., Ltd. and Zhongze Energy (Shandong) Group Co., Ltd.