Sheet metals Together we want to reshape the way things are manufactured. Example of what we can offer Press forming Welding and riveting Tube forming 3H-Tech is the leading strategic partner offering material and process technologies for Aluminium castings, Aluminium forging, Iron casting, Steel casting, Steel forging, Machining, Steel tubing & rolling and Plastics. Technologies Aluminium Steel Gray- , Nodular- and Compacted Graphite Iron Plastic Sheet metals Other