Recent days on July, National Railway Administration of People’s Republic of China announced 18 industrial technical norms for high-speed rail fasteners and other relative products involving in high-speed rail engineering. It was reported that these norms were newly set and would be implemented since February 1, 2016.
Fasteners, ballastless track boards, and turnouts involved are key
(…)
via NRA Announced 18 Industrial Technical Norms for Rail Fasteners etc.