零部件再制造有利可图?

汽车零部件再制造,听起来有点匪夷所思。车主们不免疑问,已经报废的汽车零部件不该如废铜烂铁一般送到回收站吗,为何反而让它们重新回归成为汽车的组成部件?如此这般,汽车性能如何保证?汽车安全如何保障?汽车零部件再制造究竟是一条怎样的路?

It sounds a bit incredible about auto parts re-manufacturincl. Owners can not help doubtinq why not to put the useless auto parts into recycle bin, vet recover and put back to use as component？ So and so, how can automobile performance be ensured？ What＇s the way out for auto parts remanufacturing？