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 today.
The locomotive company said the trains would be more energy-efficient and be an industry model in India, which is affected by power shortages.
CSR is the world's largest manufacturer of electric locomotives and is China's leading bullet-train maker.