According to Baidu encyclopedia, glasses are divided into recycling, and non-recycling, non-recycling is used to be recycled as plastic.
ZEISS is a pioneering technology group for the optics and photonics industry worldwide. The ZEISS Group specializes in the development, production and marketing of measurement technology, microscopes, medical technology, spectacle lenses, photographic and cinema lenses, binoculars and semiconductor manufacturing equipment.