General projects: manufacturing of special equipment for semiconductor devices; manufacturing of new film materials; manufacturing of special ceramic products; manufacturing of technical glass products; manufacturing of graphite and carbon products; vacuum coating processing; sales of metal matrix composite materials and ceramic matrix composite materials; sales of new metal functional materials; manufacturing of high-performance fibers and composite materials; manufacturing of seals; manufacturing of semiconductor discrete devices; sales of technical glass products; sales of optical glass; manufacturing of special equipment for the production of glass, ceramic and enamel products; manufacturing of optical glass; glass manufacturing; functional glass