20 17. According to the information released by Shenzhen Administration for Industry and Commerce, Shenzhen Jinyuexuan, the full name of Shenzhen Jinyuexuan Seafood Restaurant Co., Ltd., was established in 2004, mainly engaged in the catering industry, and closed on 20 17. Catering industry is a food production and operation industry that provides consumers with all kinds of drinks, food, consumption places and facilities through instant processing, commercial sales and service labor.