Union construction machinery Co., Ltd. is mainly engaged in the sales of second-hand excavators of Komatsu, Hitachi, Kobelco, Kubota,Doosan Carter, Volvo and many well-known brands. Through years of development, it has become the benchmark of the second-hand machinery industry in China, and it is a large second-hand excavator market in East China, North China, Central China, Northwest China, Southwest China and Northeast China. With the continuous expansion of the company's scale, its business expanded to overseas trade markets, and its products were exported to Africa, India, Ersal, Viet Nam, the Middle East and other countries and regions.