CSR Zhuzhou Electric Locomotive is one of the train car suppliers I believe. This shows that Chinese train cars are of good quality, too.
Delhi Metro gets Chinese-made rail cars - The Times of India
BEIJING: A Chinese train manufacturing firm today said it has sold 21 rail compartments to the Delhi Metro Rail Corporation (DMRC).
CSR Zhuzhou Electric Locomotive, a subsidiary of major Chinese train manufacturer CSR Corporation, has supplied
21 cars to Delhi's metro rail system, the company said.
The sale marked the company's second order from India as it had exported
15 metro cars to the Delhi Metro in 2010, state-run Xinhua news agency reported on Saturday.