National Engineers Enterprises manufactures Lifts of Maximum Capacity 5 tons. National Engineers Enterprises is an ISO 9001: 2000 certified company. Lifts of Maximum Capacity 5 tons is a classic example of assimilation of the normal winch lift and passenger elevator. These are available in capacities ranging from 25 kgs to 5 tons with cabin size of [1 X1] feet to [20 X 15] feet depending upon application and requirements.