Our cookware and tableware are produced from a unique blend of borosilicate. It's created by adding boron to the traditional glassmaker's "frit" of silicate sand, ground lime. And soda, and made by pressing melted glass further strengthened by a higher tempering process with new techniques. This kind of glassware is widely used in purpose of oven, microwave oven, icebox and dishwasher etc. It's well accepted because of its advantages of heat-resistant, High resistance to mechanical shock, Scratch resistant, resistant to thermal shock, resistance to corrosion and hygienic performance except the pretty pure and clarity outlook.