... 1:work for 48hrs continuously 2:Delivery fast 3:adopt IGBT module usage:harden,weld,forge,anneal and melt High Frequency Industrial ... heating. 3. Heat treatment Class3.1 The various hardware tools, hand tools, heat treatment. Such as pliers, wrenches, screwdrivers, hammers, ... circulation system, ensure that the equipment 24 hours of continuous work.3, small size, light weight, easy to move, no ...