Producing a metallic folding chair involves several steps, including designing, selecting materials, manufacturing, and finishing. Here are the general steps involved in producing a metallic folding chair:

1. Designing: The first step is to create a design for the chair. This can be done by hand or using computer-aided design (CAD) software. The design should include the dimensions, shape, and features of the chair.
2. Selecting materials: The next step is to select the materials to be used in the production of the chair. Common materials for metallic folding chairs include steel, aluminum, and titanium. The thickness and grade of the metal should be selected based on the intended use of the chair.
3. Manufacturing: The manufacturing process involves cutting and shaping the metal into the desired form. This can be done using various techniques, such as casting, forging, stamping, or welding. The components of the chair, including the legs, seat, and backrest, are fabricated separately.
4. Assembly: Once the components have been manufactured, they are assembled together to form the folding chair. Hinges are added to allow the chair to fold up for easy storage.
5. Finishing: The final step is to finish the chair by painting, powder-coating, or plating it with a protective layer to prevent corrosion and improve its appearance.

Overall, producing a metallic folding chair requires careful planning and attention to detail at every stage of the process.