... solution and ageing heating treatment. 1. The furnace line has two furnaces, one for solution, one for ... use electricity, or Natural Gas, or LPG.4. The Line can be made as with baskets or without ... the back is more saveing energy.5. The line has solution furnace, quenching device, ageing furnace, and ... to requirement, can set computer control.This furnace line is used for Aluminum wheels or other parts ...