Is there a relationship between Beijing Chaoyang District Environmental Sanitation Center and Beijing Environmental Sanitation Group? What does it matter? Superior and subordinate? Why is one a career

Is there a relationship between Beijing Chaoyang District Environmental Sanitation Center and Beijing Environmental Sanitation Group? What does it matter? Superior and subordinate? Why is one a career editor and the other a state-owned enterprise? Chaoyang District Environmental Sanitation Center is a subordinate institution of Chaoyang District Government (formerly known as Chaoyang District Environmental Sanitation Administration, and its management functions were merged into Chaoyang District Municipal Appearance Committee after reform), and Beijing Environmental Sanitation Group is a municipal enterprise (formerly known as Beijing Environmental Sanitation Administration, and its management functions were merged into Beijing Municipal Appearance Committee after reform). There is no relationship between them. It was formed after the reform in 2002.