How many subsidiaries does Zhongguancun Development Group have?

Zhongguancun Development Group has 15 subsidiaries. According to relevant information, Chongqing Hyde Industrial Co., Ltd., Beijing Zhongguancun Sihuan Medicine Development Co., Ltd., Beijing Zhongguancun Youth Science and Technology Venture Capital Co., Ltd., Beijing Zhong Shi Concrete Co., Ltd., Beijing Meilun Real Estate Development Co., Ltd., Shandong Zhongguancun Medicine Science and Technology Development Co., Ltd., etc.