The high-lead bronze maintaining parts for the American imported facilities (simons breaker and 23 stere excavator) in the Three Gorges project all reached the life time of American high-lead bronze parts after being installed and run.

• 为三峡工程的美国进口设备(西蒙斯破碎机、23立方米电铲等)的高铅青铜维修件，生产后已装机运转，均达到美国高铅青铜件的使用寿命。