What is the relationship between Zhonghai Haifu and Zhonghai?

Homonym relationship Zhonghai Haifu is Shanghai Zhonghai Haifu Real Estate Co., Ltd. and Zhonghai is Zhonghai Real Estate Group Co., Ltd., both of which have the same name and have no other relationship. China Shipping Real Estate Group Co., Ltd. is a subsidiary of China Hongkong China Shipping Group Co., Ltd., and its predecessor, China Shipping Real Estate Co., Ltd., was incorporated on August 8, 2002.