Germanium Dioxide China Companies Lists

We are a new brand enterprise focused on advanced high performance materials, including crystal material, minor metals and chemicals, which is mainly used as raw material for ceramic materials, photoelectric materials and semiconductor industry. Materials used in semiconductor include various tellurium compound, arsenic compound, cadmium compound, indium compound and so on. They are compound and grew under strict condition to avoid impurity.Most of their purity is above 99.999%. Some .....