... 0002Density(g/cm³)3.18Melting Point(°C)1255Found in 1960,Beijing Glass Research Institute(BGRI) is a state owned institute ... contributing to domestic and international projects in diverse areas of science and industry. Continued focus on innovation won BGRI more ... facilities in a new plant, located in OIP industrial park, Beijing, enabling us to handle all research, development, fabrication and ...