HENGTONG is equipped with foreign advanced production equipment for overhead contact line products and is capable of manufacturing 1,000 tons of overhead contact lines and 1,000 tons of catenaries a month. Its products cover magnesium-copper, tin-copper, and silver-copper contact lines, catenaries and accessories in a wide range of models and specifications. The special heat treatment process from independent R&D of HENGTONG has obtained the national patent for invention, and it has cracked a world technical problem. The railway engineering series of HENGTONG represent the highest level of high-speed railway technology worldwide and have been successfully applied to multiple major high-speed railways in China such as the Beijing-Shanghai High-speed Railway, demonstrating up-to-standard or even superior performances of the railway industry.