0160 - Photos On Industrial Construction In China. The Qinhuangdao Industri...Front

Photos On Industrial Construction In China. The Qinhuangdao Industrial Technical Glassworks has developed a new product of isolated glass capable of heat and sound insulation and is ice and frost proof. This kind of glass which is hollow inside is an ideal building material for aviation industry and civil buildings. Here workers are examining the quality of the isolated glass. Photo by Ben Lanwu