Cangzhou Four Stars Glass Co., Ltd was founded in 1992, it is a national high-tech enterprise specializing in the production of special glass (neutral borosilicate glass). The company adopts the world's most advanced, energy saving, and the most environmentally friendly Cold Top type All Electric Melt Velo method tube-drawing technology, independent research and develop USP Type I 5.0 neutral borosilicate glass tube production process successfully.