Special glass is the glass product for special purpose or special function. It is made through plating metal film layer or nano particles of different materials on glass surface by magnetron sputtering, gel dip coating and chemical vapor deposition, combing pieces of other organic or inorganic glass or metal materials through physical methods, such as tempering and sandwiching, and then high temperature autoclaving or vacuumizing. This glass product for special purposes can resist bullet, violent attack, explosion, fire, burglars and static pressure, shield electromagnetic wave and Production Capacity: Maximum specification: 3300mm�?2440mm Minimum specification: 300mm�?300mm Thickness: 4-75mm Orders out of these specifications are negotiable.