... producer 2. long time using 3. have in stock Safety Device 2TON, 1TON for Pessenger hoist1.Brand :GJJ.BAODA.2, ... like the motor reducer , mast section , safety device , ....France Potain type and QTZ type tower crane parts, mast section. anchore frame, fixing ... part of tower crane,such as hoisting mechanism,trolleynig mechanism,slewing mechanism and so on. passenger hoist Safety device 2ton , model:' ...