Shandong Dahan Construction Machinery Co.,Ltd is in line with tower crane for many years. It is recognized and recommended by General State of Quality supervision. Moreover, it is considered as a membership of Shandong Construction Machinery Association; an enterprise of honoring the contract and keeping the promise in Shandong province; the pioneer of tower crane industry. Paying attention to the progress of quality and technology, our company absorbs Potain, Liebherr technology for innovation and development. Performance of product quality reach domestic and foreign advanced level. We establish a complete production and quality assurance system.
We maily manufacture the DAHAN brand tower crane,and we currently in possession of  good system and assembly line of material pretreatment, large numerically controlled cutting equipment wielding application. This enterprise has been qualified by ISO9001:2000 international quality system.
Our products are as follows,QTG25, QTZ25, QTZ31.5, QTZ40, QTZ50,QTZ63,QTZ80,QTZ100,QTZ125,QTZ160,SC200/200,WJ100/100 model series towe cranes.The parameter of all these models are enclosed.
All our products are designed by globally leading and optimizing software with superior performance,and win unanimous recommendations from users in various regions in China and abroad .