Plastic components in simple to complex shapes are used in most devices and items today. The vast majority of the parts and components and make through custom molding, with the most common process being custom injection molding.

This provides a perfectly formed piece that is identical to the mold for hundreds to hundreds of thousands of cycles. Then, when the mold is no longer precise, it is simply replaced. This is a very cost effective production method that becomes more cost effective per unit the higher the numbers of parts required.

If you are outsourcing the custom molding process, and virtually all OEMs (Original Equipment Manufacturers) will do this, it is essential to work with a top custom plastic molding provider. This is not a part of the manufacturing where you want to cut corners or go with the lowest price option.

To ensure you are working with the top company, take the time to have a phone conversation or meet in person. Be sure to find out answers to the following questions to clarify the expertise and ability of the company.

Years in the Industry

It is important to learn as much as possible about the company’s experience in the custom plastics field. The longer a company has been in business, and more diverse their customer base is, the more experience they will have in working with standard types of plastic injection. They will also be experts in creatively solving problems and challenges in design and development of the parts.


When quality counts of OEMs, look carefully at the custom molding company and the dedication to quality and excellence in manufacturing. Large companies and some small businesses have gone through the process to be ISO certified or to have specialized certifications with ITAR (International Traffic In Arms Regulations Compliant) certification.

Look for companies that will work with you to find the most effective and lowest-cost options for producing the parts required. Top companies will work with their customers and will have the capacity to get the job done to their customer’s timeline.

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