... elevator,passenger lift,construction elevator,construction hoist,construction lift specialized in producing and exporting various tower cranes, top less tower cranes..Tower crane: type QTZ31.5, QTZ40, QTZ ... load from 3ton to 20 tons. We also offer the construction elevator with single cage, double cage of 1-ton lifting ... -90S,HBT80-13-90S,HBT80-13-110s,HBT80-16-90s construction hoist