Summary：Chinese companies are carrying out more than 20 railway projects overseas, with a total investment of 100 billion yuan (15 billion U S dollars), China s railway authorities said Tuesday

Zhu Zhexun, chief engineer of China Railway International Group, said construction is underway on projects including the China-Laos railway, a railway linking Indonesian capital Jakarta with Bandung, a link between Serbia and Hungary, and a metro train in Pakistan's eastern city of Lahore.p Preliminary work is being done on high-speed rail links between Malaysia and Singapore, and between Moscow and Kazan in Russia, he said.

"Chinese companies have a strong competitive edge in technology, trains, control system, management and safety," he said.

The China Railway Rolling Stock Corporation (CRRC) has 75 branches and 13 R&D centers in 26 countries and regions. Its overseas contracts in 2016 were worth 8 billion U.S. dollars, Zhu said.