But many of these plants were rooted in the 1980s and needed to go out of business as China moved up the industrial ladder and implemented new labour legislation that shook their sweatshop model.

• 但这些起源于1980年代的工厂倒闭是因为中国要提高产业链中的地位，以及动摇这种血汗工厂模式的新劳工法生效。