September 14th.
According to the official website of Linqu Shengjiangshan, Linqu Shengjiangshan opened on September 14.
Shengjiangshan Self-service Barbecue is a relatively well-known brand of self-service barbecue. There are many chain stores across the country. The group purchase price of Shengjiangshan Self-service Barbecue is not expensive, with the average consumption per person being around 70 yuan.