we manufacture and export cyanide ( potassium cyanide and sodium cyanide) for medicine use, gold mining use, or other industrial uses ( such as kcn for pesticide & rodenticide) . we make and export cyanide for medicine, mining or other industry use. such as potassium cyanide and sodium cyanide. sodium cyanide use: -precious metal (gold and silver) mining, -electroplating and steel hardening, -organic synthesis. we can also accpet very small quantity order ( for laboratory use) such as 20 -1000 gram. welcome your order