On Oct. 14, 2015, 500 freight wagons fully pass acceptance on Dalian seaport and will running on Argentina Belgrano railway line.

The wagons were made by CRRC Qiqihar Rolling Stock Corp., which including 300 broad gauge grain hopper wagons and 200 broad gauge coke open-top wagons. The coke wagon was first adopted new structure in end wall, side wall and drainage. The grain wagon adopted innovative locking mechanism on bottom door and porthole cover. Both items make wagons better to work in dumper working environment. With type 13B coupler, advanced brake system and frame braced bogie, the loading capacity of wagons are 76.8-ton and 75-ton respectively. The max. speed is 100km/h.