Tower crane price: 1.Fashionable design,easy to operate 2.High quality,competitive price 3.ISO9001:2000 ,CE QTZ40 tower crane1.Adopt the high-strength plate to strength the turntable at the same time enhance the life of the slewing gear.2.The tower head use the angle of buckle ,enhance the safety .3.The climbing frame is used design-line treatment , easily to install and disassemb.4.Stainless ...