It is an illegal construction.

Except for the sky garden on the 23rd floor, the 20th to 22nd floors of Shenzhen Tower are all unapproved additions.

Shenzhen Building Co., Ltd. (formerly known as Shenjing Industrial Co., Ltd.) was established in 1997 and is located in Beijing. It is an enterprise mainly engaged in the accommodation industry. The registered capital of the enterprise is 30 million yuan, and the paid-in capital is 30 million yuan. Through Tianyancha big data analysis, Shenzhen Building Co., Ltd. participated in bidding projects 6 times. In terms of intellectual property rights, there are 4 pieces of trademark information. In addition, the company also has 57 administrative licenses. In terms of risks, *** found that the company had 17 legal actions, with a total amount of 446,3644 yuan involved. There are 10 court opening announcements and 8 case filing information.