In the late 50, the British Pilkington Glass Company announced to the world that the floating process of flat glass has been successfully developed, which is a revolution of the original groove-induced molding process. For a time, the heat flow of a float floated into the world. Many countries in the world have been willing to scramble for Pilkington patents, but Pilkington has imposed a technical blockade on China. The Western technology blockade makes us realize that the development and production of China float glass must take the road of self-reliance and independent innovation. May 1971, the former national building materials industry decided to float industrial test in Luo Bo, glass experts all over the country, Luo Bo, staffs workers in the war.