CNOOC Tianjin Coastal LNG Natural Gas Terminal is located in the new coastal area of Tanggu, Tianjin. The project adopts the solution of detection and alarm by integrated potential-free fiber optic cable which is resistant to wind and interference. Outdoor device is designed to be potential-free to meet the requirements of inflammable and explosive areas. The system is efficient, stable, reliable and safe. It’s highly affirmed and praised by the security department of CNOOC since it was put into operation.