Shandong Dahan Construction Machinery Co.. Ltd was estabilished in Dec. 2000, with the attention and support by leaders of all levels, rapid development has been achieved. Our company now has 2000 staff, construction area is 360 mu (240000 ?), workshop area is 100000?. We mainly produce all kinds of tower cranes, construction elevators, the company saled approximate 10000 units of tower cranes in 2010. At the moment, our company will lie in the first place of domestic medium-sized and small-sized tower crane sales market.Absorb international advanced tower crane technology, establish and perfect ?QTZ31.5, QTZ40, QTZ50, QTZ63, QTZ80, QTZ125, QTZ160?, construction elevator, etc, 8 series of more than 20 models of tower crane products, all technical performances of products can be up to domestic and foreign advanced levels.In product aspects,our company successively buys 40 sets of Japan Panasonic welding robot, 20 sets of Sweden ABB welding robot, 12 sets of complete robot welding system, introduce the first automatic spraying assembly line. In sales aspect, continuously increase the construction of market network, follow the idea of providing the most valuable products for customers, opening the new market continuously innovating the sales model, creating the higher value for customers. Our products have been exported to more than 20 countries and areas, under the basis of domestic more than twenty provinces and autonomous regions, change from production first to market share first. We will try our best to achieve change from providing products to provide the satisfied customer service.