The difference between glass and ordinary glass after glass broken due to debris will break into small particles of uniform shape and no sharp corners universal glass cutter glass door, which is known as safety glass and is widely used in automotive, interior decoration among . Home Zhongping glass, broken glass after an ordinary sharp knife-like sharp corners is easy to cut child or hit by glass cabinets, causing personal injury. After the glass is broken into small particles or knife-like glass and ordinary glass that is the main difference between the way. But in the engineering inspection, frequently use this destructive inspection is undoubtedly unrealistic. Glass Tempering first patent in 1874, obtained by the French, tempered glass method is heated to its softening temperature, immediately put into a relatively low-temperature liquid bath, the surface stress increase. This method of liquid steel that is earlier methods. Germany Frederick Siemens awarded a patent in 1875, Massachusetts Geovge E. Rogens in 1876 steel method is applied to glass tumblers and lamppost. In the same year, New Jersey HughO'heill obtain a patent. Glass prices, Shandong glass, glass Yaohui preferred by Jinan Glass Co., Ltd. Yaohui. Jinan Yaohui Glass Co., Ltd. (www.jyhhc.com/) strong, credible, in Jinan, Shandong architectural glass industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jinan Yaohui into the brilliant glass and you work for a better future!