Founded in 1956, TrailerMaster CVS. Inc is a national auto parts export base enterprise, a national specialized, special and new "little giant" enterprise, a provincial specialized and special new "little giant" enterprise, the first batch of enterprises in the foundry industry, one of the top 30 foundry enterprises, a high-tech enterprise, one of the top 100 enterprises in Liaoning Province, a provincial technology center, a provincial AAA enterprise with harmonious labor relations, a provincial green factory, an intelligent manufacturing demonstration enterprise, a demonstration enterprise for the construction of a green manufacturing system, and a demonstration enterprise for power demand-side management in the national industrial fieldThe main business includes more than 3,100 models of wheel end assembly products for heavy-duty commercial vehicle brake systems, which are mainly exported to more than 50 countries and regions such as the United States, the United Kingdom, Germany, France, Italy, and Australia.