What does deep connection mean?

Shen Lian Real Estate is a comprehensive company invested and established by Hongkong Shen Lian Enterprise Co., Ltd. in Shenzhen and Dongguan, focusing on real estate development and operation, supplemented by property management and logistics investment. Shen Lian Enterprise Co., Ltd. was incorporated in Hong Kong on June 22nd,198/kloc-0. In the same year, it invested in real estate development in Shenzhen Special Economic Zone. It is one of the first 100 investment enterprises in Shenzhen Special Zone and one of the first four real estate development enterprises in Shenzhen. "Real estate" is a common word, which refers to the real estate field or industry. Real estate refers to land and its buildings, natural resources and other appendages. The real estate industry includes land development, building purchase, sale, lease, management and investment.