... drawing, 3D drawing or samples.2. To discuss the product function, the shape, material, and other demands between ... , Grinding, Drilling, CNC Milling, Texts, EDM, Lathe, Polish, Heat treatment, Cr. Coating , Texture, Mold assembly.12. After mold finished ... mass production, we will process product assembly and packing.17. Shipment. Laptop shell for custom plastic Injection Molding and mold factory