The general business scope includes the purchase and sale of optometry and glasses, clothing, electronic products, digital products, communication products, building materials and home accessories, daily necessities, shoes and hats, home textile products, toys, lamps, jewelry, jewelry, etc; Manufacturing of instruments and meters; Manufacturing of electronic components; Manufacturing of electronic vacuum devices; Manufacturing of electrical accessories; Manufacturing of power transmission, distribution and control equipment; Intelligent basic manufacturing equipment manufacturing; Household appliance manufacturing;