The main special glasses produced include: high temperature resistant glass, high pressure resistant glass, sight glass, boiler sight glass, aluminum silicon glass, borosilicate glass, sapphire glass, sodium calcium glass, water level gauge glass, heat-resistant glass, borosilicate sight glass, quartz sight glass, cobalt blue glass, protective glass, etc. The products are widely used in optical lenses, lens lenses, special high temperature and high pressure enterprises, large petrochemical, chemical, paper making, power station, metallurgical steel, boiler manufacturing industry, fireplace manufacturing factory, cement factory, pipeline accessory manufacturing factory, printing and dyeing equipment manufacturing, military equipment manufacturing, major universities and colleges laboratories, instruments and meters, optical instruments, teaching instruments and other related industries.