 Two of these locomotives were built in China with another 38 to follow, while the rest were built locally.The first forty of the one hundred 3 kV DC and 25 kV AC dual voltage Class 21E electric locomotives for Transnet Freight Rail were built in China by Zhuzhou Electric Locomotive Company, a subsidiary of the China South Locomotive and Rolling Stock Corporation (CSR), China's leading train manufacturer.The roll-out ceremony of the first locomotive, no.