Its main business is Japan Komatsu, Sumitomo, Hitachi, Shengang, Kubota, Ishikawa island; Korea Doosan Daewoo, Hyundai; USA Carter; Sweden Volvo, as well as domestic Yuchai, Shanhe intelligent excavator, Sany and many other brands of second-hand excavator sales business. Through years of development, it has become the direction of China's second-hand machinery industry, and is currently a large second-hand excavator market in East China, North China, central China, northwest, southwest and Northeast China. With the continuous expansion of market scale, business expansion of overseas trade market, products are exported to Africa, India, Ethiopia, Vietnam, the Middle East and other countries and regions.