Jiaozuo City Crystal Photoelectric Material Co., Ltd is the high-tech company. We are producing and supplying high-quality 2 ~ 7 inch Sapphire Substrate wafer, LiTaO3 wafer and Lithium Niobate wafer.

Wang Yun was arrested last year after children at a kindergarten in Jiaozuo city were rushed to hospital after eating their morning porridge. The court said she put sodium nitrite in the breakfast ...