The Relationship between Ordnance Real Estate Group and Ordnance Industry Group

Does the subject want to ask "the relationship between North Real Estate Group and Ordnance Industry Group"? According to the brief introduction of official website, China Ordnance Industry Group Co., Ltd., Northern Real Estate Group is the only specialized service sub-group under China Ordnance Industry Group, which belongs to the subordinate relationship. China Ordnance Industry Group Co., Ltd., also known as China North Industry Group Co., Ltd., belongs to two brands of companies, headquartered in Sanlihe Road, Xicheng District, Beijing, China.