... producer 2. long time using 3. have in stock pinion gear for GJJ and Baoda passenger hoist 1.Brand :GJJ, BAODA.... Our main ... the motor reducer , mast section , safety device , .... France Potain type and QTZ type tower crane parts, mast section. anchore frame, fixing ... tower crane,such as hoisting mechanism,trolleynig mechanism,slewing mechanism and so on. pinion gear for GJJ and Baoda passenger hoist