The Tongjiang China-Russia Heilongjiang Railway Bridge is located between Tongjiang City, Heilongjiang Province, China and Ningskoye City, Russia. It is the first cross-river railway bridge connecting China and Russia. The construction of this bridge will end the history of the Sino-Russian border river non-cross-river railway bridge and have created many records.

Anyang Railway Equipment Co., Ltd(AT) is the leading manufacturer of rail fastening systems, rail joints(ordinary joint bars, compromise joint bars), rail fastening products(rail clips, track bolts, tie plates, washers, nylon insulators, nylon dowels, etc) in China, provided a lot of railway rail fixing construction materials with good quality and stable performance, long life, devote for the development of the railway in China, its products are widely used in conventional railway, high-speed railway, metro.

Over 70 years of development, China's railways are intertwined and integrated with the country, the nation, and the people. Chinese railway workers keep forging ahead in the process of tempering, and keep moving forward in the process of making progress. Chinese railway workers have won one success after another with their own efforts, helping the development of the society, and showing the connotation of "China's name card".

The rail frozen joint(Joint Bar, Fishplates) refers to the rail joint that makes the rail-rail end of the connecting rail always in a tight state.