What are the upstream and downstream enterprises in Joy City?

2. They are Joy City Real Estate Co., Ltd., Zhongyao Real Estate Development (Shenyang) Co., Ltd., COFCO Real Estate Group Shenzhen Real Estate Development Co., Ltd., Joy City Holding Group Sunan Co., Ltd., Hangzhou Yue Hong Real Estate Co., Ltd., Suyuan Group Jiangsu Real Estate Development Co., Ltd., Chengdu Tian Quan Real Estate Co., Ltd., Hangzhou Zhu Yi Real Estate Development Co., Ltd., COFCO Real Estate (Shanghai) Co., Ltd., Yantai COFCO Borui Real Estate Development Co., Ltd. Taicang Yuexiang Real Estate Development Co., Ltd., COFCO Real Estate Chengdu Co., Ltd., Xi Andingyue Real Estate Development Co., Ltd., Shanghai Calais Real Estate Development Co., Ltd., Shenyang He Yue Investment Co., Ltd., COFCO Tian Yue Real Estate (Suzhou) Co., Ltd., COFCO Real Estate Development (Hangzhou) Co., Ltd., Shenzhen Baoan Sanlian Co., Ltd., COFCO Real Estate (Tianjin) Co., Ltd., Tianjin Liang Bin Investment Co., Ltd., Changsha COFCO Real Estate Investment Co., Ltd. COFCO Real Estate Development (Shenzhen) Co., Ltd., COFCO Real Estate (Wuhan) Co., Ltd., Shenzhen Baoan Fuan Industrial Co., Ltd., COFCO Real Estate Group Shenzhen Property Management Co., Ltd., COFCO Real Estate Group Shenzhen Industrial Development Co., Ltd., Shenzhen COFCO Property Service Co., Ltd., COFCO Real Estate Group Shenzhen Dayang Service Co., Ltd., Gaohua Real Estate Co., Ltd., Yunnan Joy City Holding Real Estate Development Co., Ltd., Shenyang Ruijing Investment Co., Ltd., Shenzhen Qianhai COFCO Investment Management Co., Ltd