Upper Jude Lake. Gao 'an City is a county-level city under the jurisdiction of Jiangxi Province, managed by Yichun City, located in the northwest of central Jiangxi Province and the west of Nanchang City. According to the enterprise information released by the Municipal Administration for Industry and Commerce, there is a mussel breeding base in Shangyou Lake, so it can be found in Shangyou Lake. The Administration for Industry and Commerce refers to the Administration for Industry and Commerce, which is the government department responsible for market supervision and administrative law enforcement.