Global Warehouse Freight Elevators Market Assessment, By Type [Hydraulic, Geared Traction, Gearless Traction, Others] By Application [Factory Warehouse, Logistic Center, Airport, Others], By Sales Channel [Direct, Indirect], By Speed [Below 0.5 m/s, Between 0.5 and 1 m/s, Above 1 m/s], By Region, Opportunities and Forecast, 2017-2031F