With tower crane CE, GOST(FOR Russia) and ISO certificate, Jiangsu Zhengxing Construction Machine Co., Ltd is top ranked in the tower crane manufacturing industry in China. Jiangsu Zhengxing Construction Machine Co., Ltd with 30 years&＃039; history is located in Jiangsu province adjoint to Shanghai of China. With the annual produciton capability of 1000 tower cranes, It has the most advanced production equipment and perfect quality control ststem. The products are tower cranes QTZ25, QTZ30, QTZ40B, QTZ50, QTZ50B, QTZ63, QTZ80, QTZ100, QTZ125, QTZ160, QTZ250 and different kind of construction hoists. The max lifting capablity of tower crane can reach 12 tons, max range 70M, max height 220M. It has also participated in setting the national standards of tower crane (GB5144-2006: safety code for tower crane) and it is the recomended tower cranes manufacturer of Ministry of Construction. The products have obtained a lot of prizes at city and provincial levels including advanced enterprise to the satisfactory of customers issued by Construction Machinery Branch of Chinese Quality Commitee. The company&＃039;s tower crane has pass ISO9001-2000 quality system certifiction since 1999. And the products have beeen exported to more than 20 countries and obtained lots of praise. We sincerely wish that we could be of great help to your business, so please don&＃039;t hesitate to contact us and we will be always standby for you.