Ordinary. Shenzhen Daohetang Yangshengtang is a regular chain store certified by the official website, which is very reliable. Shenzhen, referred to as Shenzhen for short, is a prefecture-level city under the jurisdiction of Guangdong Province. It is a sub-provincial city, a city with separate plans, a megacity in Guangdong Province, and a China Special Economic Zone, a national economic center city, an international city, a scientific and technological innovation center, a regional financial center and a trade and logistics center approved by the State Council.