Tieling Erfan adheres to giving priority to ecology.

　Rivers and lakes are important components of the natural ecosystem and also important supports for economic and social development. The construction of Tieling Erfan pneumatic - shield dams has promoted various regions to adhere to the path of giving priority to ecology and green development, coordinated economic and social development with the protection and management of rivers and lakes, and achieved a historic transformation of the appearance of rivers and lakes. Tieling Erfan pneumatic - shield dams have fully and accurately implemented the new development philosophy, maintained the healthy life of rivers and lakes, and provided strong support for promoting the green transformation of economic and social development and achieving the high - quality development of rubber - dam and river - blocking dams.