Inorganic chemicals are the chemicals made from inorganic chemical industry; it mainly include four fields:
(1) Inorganic chemical technology including acids, bases, salts, ammonia and chemical fertilizers;
(2)Electrochemical technology including the electrical production of caustic soda, chlorine, electrolysis hydrogen and oxygen, wet electrical metallurgical production and electrothermal production of the calcium carbide, calcium cyanamide and phosphorus;
(3) The production technology of silicate including glass, ceramic and cement;
(4) Refinement inorganic chemical process such as reagent, medicament and trace element.