Armstrong Machine Builders Pvt. Ltd. Supplies Continuous Lift with Automatic Loading / Unloading. Armstrong Machine Builders Pvt. Ltd. Manufactures conveyors and modules. Continuous Lift with Automatic Loading / Unloading allow multiple products to be lowered /raised from one level to another, providing higher throughputs than a reciprocating lift. Continuous Lift with Automatic Loading / Unloading allows utilizing the area above the floor, saving valuable floor space. These lifts can also provide a link between floors in a multi-story building.