只造车，不用去修铁路。不过要在芝加哥组装。报价比bombardier低了两亿。
China's CRRC lands $1.3 billion Chicago rail car project http://www.reuters.com/article/us-crrc-usa-idUSKCN0WC17I
The Chicago Transit Authority (CTA) said on Wednesday that it had awarded
the order to build 846 7000-series rail cars to CRRC subsidiary CSR Sifang
America, which had submitted the lowest bid. It did not name the other
bidders.
