¿Cuáles son las empresas upstream y downstream en Joy City?

2 Son 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. Holdings Group Sunan Co., Ltd. y Hangzhou Yuehong Real Estate Co., Ltd., Suyuan Group Jiangsu Real Estate Development Co., Ltd., Chengdu Tianquan Real Estate Co., Ltd., Hangzhou Zhuyi 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' an Dingyue Real Estate Development Co., Ltd., Shanghai Jialai Real Estate Development Co., Ltd., Shenyang Heyue Investment Co., Ltd., COFCO Tianyu'e Real Estate (Suzhou) Co., Ltd., COFCO Real Estate Development (Hangzhou) Co., Ltd., Shenzhen Baoan Sanlian Co., Ltd., COFCO Real Estate (Tianjin) Co., Ltd., Tianjin Liangbin 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 Fu'an Industrial Co., Ltd. Company Limited, COFCO Real Estate Group Shenzhen Property Management Co., Ltd ., COFCO Real Estate Group Shenzhen Industrial Development Co., Ltd., Shenzhen COFCO Real Estate Property Services Co., Ltd., COFCO Real Estate Group Shenzhen Ocean Services Co., Ltd., Gaohua Real Estate Co., Ltd., Yunnan Joy City Holdings Real Estate Development Co., Ltd., Shenyang Ruijing Investment Co., Ltd., Shenzhen Qianhai COFCO Investment Management Co., Ltd.