| 
              
                |  | Sheet metal working(In house) |  |  
                |  |  
                |  | Punch press processing, , Laser processing, Shearing processing, Band saw processing , Corner shear, Set press, Bending, Welding |  |  |  | 
              
                |  | Machining(Outsourcing) |  |  
                |  |  
                |  | Aluminum extrusion, Resin molding, Aluminum and zinc die-casting, Lost-wax casting, CNC machining |  |  |  | 
              
                |  | Surface treatment(Outsourcing) |  |  
                |  |  
                |  | Anodized, Electrical nickel plating, Dissolved zinc plated, Powder coating, Heat treatment |  |  |