Lifts for conveying persons and goods; vertical elevators for loads of all kind; drives for lift installation machinery and vertical elevator systems; guides for lift installation machinery and vertical elevator systems; safety gears for lift installation machinery and vertical elevator systems; control mechanisms, namely, guide rails, safety gears, hydraulic counterweights, hydraulic pressure vessels, emergency lowering units, hand pumps, hydraulic valves, hydraulic pumps, all for lift insta...