Forest(China) Electrics Co. is specializing in producing cathodic protection transformer Rectifier which is efficient, stable, easy-used. It provides power for cathodic protection. Forest(China) series transformer rectifier is a kind of automatic controlled or manual controlled transformer, used as the DC power for impressed current cathodic protection, manufactured according to IEC146 standard. With the advantages of stable operation, high efficient, energy-saving, light weight, no noise, lighting protection, the equipment is widely used in the long pipeline, tank interior bottom other buried or submerged steel instruction,such as pile,ship or vessel in seawater.