1 Original crane parts 2 Over 10 years professional experience, ... 3off the shelf We have kinds of type tower crane slewing motor, welcome to cantact with me.Our main ... products are France Potain type and QTZ type tower crane parts, mast section. anchore frame, fixing angle, pin ... can also supply any part of tower crane,such as hoisting mechanism,trolleynig mechanism,slewing mechanism and so on.