The cathodic protection for ethylene project of Lanzhou Petrochemical Corporation was started in Mar. 2006, and completed in November the same year, which was objected to the steel pipeline in the ethylene plant. This project combined surface-bed impressed current system and magnesium-alloy sacrificial anode system, and adopted GPRS auto-checkout system. The effective period of this project was 30 year.

Ethylene Plant of Lanzhou Petrochemical Corporation