Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; information technology consulting services; market research (excludi...

Sales of mechanical equipment; research and development of mechanical equipment; manufacturing of special instruments for teaching; manufacturing of models and teaching aids for teaching; sales of spe...

Sales of industrial textile products; manufacturing of industrial textile products; production of daily masks (non-medical); sales of daily masks (non-medical); sales of labor protection products; pro...

Food production; food sales. General items: retail of cosmetics; wholesale of cosmetics; sales of daily necessities; retail of daily household appliances.

Health food production; food sales; food production; production of formula foods for special medical purposes; cosmetics production; tourism business; first-class value-added telecommunications busine...

Commonly used non-ferrous metal smelting; metal material manufacturing; metal material sales; labor services (excluding labor dispatch); technical services, technology development, technical consultat...

Mining of non-coal mine mineral resources; production of steel products for construction; coal mining; manufacturing of special equipment; construction project design; construction project survey; con...