JOLLY- Professional phone case factory since 2010 

how are plastic phone cases made

by:Jolly     2023-06-13

Have you ever wondered how the plastic phone cases that protect our smartphones are made? These cases have become an essential accessory for our mobile devices, protecting them from scratches, drops, and other damages. In this article, we will explore the manufacturing process of plastic phone cases, from design to production.

Designing the Case

The first step in creating a plastic phone case wholesale is designing it. During this stage, the designers create the shape and dimensions of the case, as well as any features or embellishments that will be implemented. The designs can be created using computer-aided design (CAD) software, which allows for detailed and precise designs to be made.

Once the design is complete, it is sent to the manufacturer to create a prototype. The prototype is usually printed using a 3D printer, which allows the designers to see the case in a physical form and make any necessary adjustments.

Molding the Case

After the prototype is approved, the manufacturing process can begin. The next step is creating a mold that will be used to make the plastic case. The mold is made of metal and is shaped like the final product. The molten plastic is injected into the mold and is left to cool and harden.

The molding process can be done using different techniques, such as injection molding, where the molten plastic is injected into the mold under high pressure, or compression molding, where the plastic is squeezed into the shape of the mold using a hydraulic press.

Trimming and Finishing

Once the plastic has hardened, the excess plastic on the edges of the case is trimmed off using a cutting tool. The case is then inspected for any defects or imperfections. If any flaws are found, the case is discarded, and the process is repeated.

The finishing touches are then added to the case. Any embellishments, such as logos or designs, can be printed or embossed onto the surface of the case. During this stage, the case is also polished and buffed to give it a smooth and glossy finish.

Packaging and Distribution

After the cases have been inspected and finished, they are sent to the packaging department. The cases are packed in bulk according to the customers' orders and shipped to retail stores or distributors worldwide.


In conclusion, plastic phone cases are an essential accessory for our mobile phones. The manufacturing process of these cases involves several steps, from designing the case to packaging and distribution. The precise and detailed process ensures the production of high-quality phone cases that protect our mobile devices.

mobile phone case is an inevitable and critical part of being a manufacturer, and it's more complicated than just manufacturing products and serving customers.
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