Dayu Chemical is a comprehensive chemical company integrating scientific research, manufacture and international trade of the chemical raw materials of the less lethal technology and ammunition. We can supply more than 30 kinds of chemical raw materials including CS powder（O-chlorobenzylidene malononitrile）, CS liquid solution, OC, PAVA, CN powder, CR powder and raw material of pyrotechnic such as Magnesium Powder, Aluminum Powder etc. The annual production capability of CS powder（O-chlorobenzylidene malononitrile） is 400 ton/ year.