Zhonglian Construction Machinery Co.,Ltd. located in Zhangjiagang city is one of the most professional supplier of tower crane, luffing crane , topless crane , passenger hoist along with the relative spare parts. With 20 years' experience on tower crane production , installation , repair and reconstruction, the company has more than 50 experienced mechanical and electrical engineer responsible for the installation guide, failure diagnosis, maintainance and reconstruction for the tower crane at the construction site. We can also supply the parts for Potain and Liebherr like mast section, Anchorage collar,Base frame etc. include S24C, J4/J5/J17, L44A1/L46A1/L66A1/L68B1, L66/L68, 88HC/90HC/120HC/132HC/154HC/256HC.