tempered glass:Our company has four toughened glass production line and the output per day is more than 10,000 square meters. The company not only has small toughening furnace be suitable for production of compact Electronic Glass or Furniture Glass, and also we have large toughening furnace for producing of the super-thick glass. Features: 1High strength 2Safety 3Heat shock resistance Quality Specification: 1 GB15763 Construction safety glass Part II: Temperedglass National Standard 2 GB17841 Curtain wall of steel and semi-temperedglass National Standard 3 BSEN1215012000 England Standard 4 ASTMC1048 American Standard SpecificationsMaximum size2440×8000mm Minimum size150×250mm; Thickness range2.8mm25mm