Vacuum lifting system

we need a vacuum lifting system for handling steel plate with dimention( width: 1.3 till 3 meters lenght: 6 till 16 meters thickness: 6 till 60 mm )and maximum weight 10 tons , iknow the maximum weight with this dimention is more than 10 tons but we want to handle steel plate with maximum weight 10 tons, we buy a vacuum system two years ago from another company but the price that company is high.