Gray- , Nodular- and Compacted Graphite Iron Together we want to reshape the way things are manufactured. Example of what we can offer Automatic, Semi-Automatic and Hand moulding High speed flaskless moulding line Machining Surface treatment Assembly 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