Licensed business projects: Import and export agency; Import and export of goods; Technology import and export (licensed business projects operate with license certificates) General business projects: Sales of glassware; Sales of optical glass; Sales of technical glass products; Optical glass manufacturing; Sales of fiberglass and related products; Sales of functional glass and new optical materials; Sales of daily glass products; Glass manufacturing; Manufacturing of ordinary glass containers; Manufacturing of daily glass products; Manufacturing and processing of doors and windows; Sales of glass fiber reinforced plastic products; Domestic trade agency; Trade brokers; Sales agent; Wholesale of hardware products; Sales of metal tools; Tool sales; Fiber optic cable sales; Retail of hardware products; Research and development of hardware products; Sales of anti-corrosion materials; Sales of daily necessities; Sales of daily necessities; Sales of doors and windows; Wholesale of daily necessities; Internet sales (except for the sale of goods that need to be licensed); Sales of daily ceramic products; Sales of mechanical equipment; Information consulting services (excluding licensed information consulting services); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of glass fiber reinforced plastic products; Manufacturing of fiberglass and related products; Manufacturing of technical glass products; Manufacturing of unsealed glass shells and other glass products; Manufacturing of glass insulated containers; Manufacturing of specialized equipment for the production of glass, ceramics, and enamel products; Glass instrument manufacturing; Manufacturing of specialized machinery for the production of building materials; Manufacturing of plastic products; Sales of specialized equipment for plastic processing; Sales of engineering plastics and synthetic resins; Sales of leather products; Sales of plastic products; Manufacturing of