Shenyang wholesale market. In Shenyang, the largest wholesale market is Shenyang wholesale market, which has a lot of popcorn and corn. Shenyang, formerly known as Shengjing and Fengtian, is a prefecture-level city, provincial capital, sub-provincial city, megacity and the core city of Shenyang metropolitan area under the jurisdiction of Liaoning Province. The State Council approved the central city in Northeast China, an important industrial base and advanced equipment manufacturing base in China.