Beijing and Canberra are seeking to increase business ties as Australian Prime Minister Malcolm Turnbull leads his country's largest-ever trade mission to China.

The total length of the new lines is over 3,200 kilometers, of which over 1,300 kilometers are high-speed rail. China's investment in railway will likely hit a new high.

DPRK sought to launch a ballistic missile into its eastern waters early Friday, but the attempt is estimated to have failed, Yonhap news agency reported.

Beijing has voiced "resolute opposition against infringement of China's sovereignty and security by any country in any form".

The Chinese-built Coca Codo Sinclair hydropower station has been put into use in Ecuador on April 13.

A father and his son skated along the National Highway 106 from Puyang to Beijing in 14 days.