The Company is the first enterprise engaged in diesel locomotive maintenance?in China. We started Dongfeng 4 series diesel locomotives?maintenance?in 1989 and electric locomotives?maintenance?in 2000. Now we have the capacity for batch maintenance of Dongfeng diesel locomotives of type 4A, 4B, 4C, 4D, 4DF, 5 and 7C, and also mining electric locomotives of type Shaoshan 1, Shaoshan?3, Shaoshan?3G, Shaoshan?4G and Shaofeng. We also have the capacity for maintenance?and modification of NS100G railway cranes. It is one of the major maintenance?bases for railway diesel locomotives and electric locomotives in China.