... Exprienced welding workers 4. Automative welding design ALUMINIUM WELDING We are specialists in the welding processes ... , spot or seam welding, spinning, forging, sand casting, die casting, investment casting, etc.3. Surface treatment: Polishing, zinc plating, ... team design and make aluminium products. All kinds of aluminium products, such as aluminium extrusions, aluminium profiles, aluminium frames, can be ...