1,058,058 Pcs of Flat Washers and 10,58,058 Pcs M24 Hex Nuts for Datong–Qinhuangdao Railway

With a total length of 658 km, the Datong–Qinhuangdao railway is the first unit double track electrified heavy haul coal transportation line in China, an important strategic channel for the country's "west to east coal transportation", and enjoys the reputation of "China's first heavy haul transportation route". During the 11th Five Year Plan period, over 1.6 billion tons of coal were transported through the Daqin Line, with an annual transportation volume of 400 million tons completed in 2010 only. This has played an important role in ensuring national energy security, promoting industrial restructuring, and promoting coordinated regional economic development.

In 2023, Anyang Railway Equipment Co., Ltd(AT). supplied 1,058,058 pieces φ 25 * 50 * 6 flat washers and 10,58,058 M24 hex nuts to Datong–Qinhuangdao railway are used for the 2023 maintenance and overhaul of the railway track line.