We are Far East Glassware Co., Ltd is a manufacturer and exporter of pyrex glassware in China. The glass cookware produced by our company is made of a unique blend of borosilicate glass (a material with a high thermal shock resistance feature). It is created by adding boron to the traditional glassmakerÃ¢??s Ã¢??fritÃ¢?? of silicate sand, ground lime, and soda, and made by pressing melted glass further strengthened by a higher tempering process with new techniques. They are used in electrical household appliances and cookware markets.