Located in Doingying City, Shandong Province, where is the headquarter of Chinese second largest oilfield - Shengli Oilfield,. Dongying CORRTECH Cathodic Protection Technology Co. consists of two departments: CORRTECH Cathodic Protection Technology Department and Exothermic Welding Research Center, and provides cathodic protection and corrosion materials and equipment, plus cathodic protection engineering services and installation services.

CorrTech Silicon Iron anodes are made by Chill Casting in metal mould. The anodes have more high density, more compact crystal structure and low consumption rate, thus have longer life.We produce this kind of anodes according to ASTM A518-86(grade 3) standard. They are made by Chill Cast technology, and have much higher performance and better quality than normal sand mould casting.