无码a级毛片免费视频内谢-高清freexxxx性国产-无码熟妇人妻av在线电影-美女内射毛片在线看免费人动物

QGRDI is the exclusive specialized research organization of national level in the glass industry. QGRDI is the main inventor of LUOYANG FLOAT GLASS PROCESS OF CHINA, which owns the self-owned property rights. Several scientific and technical key projects and important scientific research tasks from the sixth state five-year-plan to the twelfthstate five-years-plan have been successfully completed by QGRDI. QGRDI is leading the research of “Pure Oxygen Combustion Technology on Glass Furnace”, sponsored by the “National Key Technology R&D Program”. QGRDI’s research on “The technologies on high efficiency and energysaving for float glass” has been granted under the “National Key Technology R&D Program”. QGRDI made a major break through in the research project of “Richoxygen combustion energy saving technique on float glass furnace”.