Our progress depends about the advanced products ,fantastic talents and continuously strengthened technology forces for Sodium Bisulfide, Metabi Sulfites De Sodium , Superalkali , Sodium Sulphide Hydrate ,Sodium Sulphide Red Flakes 60% . As an expert specialized in this field, we are committed to solving any problem of high temperature protection for users. The product will supply to all over the world, such as Europe, America, Australia,Italy , Venezuela ,Myanmar , Ukraine .The company has numbers of foreign trade platforms, which are Alibaba,Globalsources,Global Market,Made-in-china. XinGuangYang HID brand products sell very well in Europe, America, Middle East and other regions more than 30 countries.