Official website of Nanwan School in Longgang District, Shenzhen shows that as of September 2023 1, Nanwan School in Longgang District, Shenzhen has no slogans. Shenzhen, also known as Pengcheng for short, is a prefecture-level city under the jurisdiction of Guangdong Province, a city under separate state planning, a megacity approved by the State Council, a special economic zone, a national economic center city, a national innovative city and one of the core engine cities.