Open 24 hours a day. Shenzhen Neptune Star Store in Yuanling Eighth Street, Futian District is open 24 hours, with many stores, good service and complete medicines. Shenzhen, referred to as Pengcheng for short, is a sub-provincial city in Guangdong Province, a city with separate plans, a megacity, a China Special Economic Zone approved by the State Council, a national economic center city and an international city.