Sacrificial Anode System
	Impressed Current System
	Electrolytic protection type rectifier Among electrolytic protection facilities, electrolytic protection type rectifier that is installed at impressed current system is direct current power provider that provides electric current required in negative pole (method object) from positive pole to keep target electric potential value, and divided into manual rectifier and automatic rectifier according to adjustment method of electric power and electric current.
	Remote control Inspection rectifier and test box
	Other materials