We Are Advance Plastics

Advance Plastics (AP) is a custom injection molder based in San Diego, California. Since we were established in 1978, we have had one mission: To produce the finest parts, at the lowest prices. Our ISO 9001 and NSF certified 35,000 ft2 National City plant is easily accessed from three major freeways and is just minutes from the Mexican border. Our state-of-the-art facilities are operated by a world class production team and overseen by our renowned quality assurance department. Advance Plastic's tradition of exceptionalism is firmly rooted in our core values of quality, efficiency, and timeliness.


Our sister company, International Manufacturing Solutions (IMS), specializes in mold design and mold building. IMS has an injection molding plant in mainland China and works with six mold building companies in China and Taiwan to build you quality molds at exceptional prices. Over the years IMS has built over 1000 molds through these Asian partners. Recently, IMS has expanded its sources in China to include complete product flow concepts in the areas of die casting, sheet metal, electronics, sewing, assembly, packaging, fabrication, and all types of plastic manufacturing.


Together, Advance Plastics and International Manufacturing services lead the injection molding industry from concept to completion, promising to bring you the very best in quality, engagement, and service.

What is Custom Injection Molding?

Wikipedia defines injection molding as a manufacturing process for producing parts by injecting material into a mold. We add customization into the equation. At our company, we will help you design your own mold. Molding begins with a thought, is developed into a design, and engineered into reality. Custom molding is a partnership with the customer based off of strong commitments to quality, design, and cost control. It's a team effort.

Your Satisfaction is Our First Priority

When it comes to what we do, we are the best in the business. At Advance Plastics, our priority, before anything else, is to exceed customer expectations. When we make a promise we deliver on it, and we do it on time too. Our dedication to our customers is the reason why our customer service department responds to email inquiries in less than 60 minutes during business hours, and by the next business day otherwise. Its why our production floor runs a full three shifts, 24 hours a day. Its why time and time again, companies like Zodiac, General Atomics, Rivulis, CareFusion, Carl Zeiss, Coca-Cola, Yamaha Motorcorp, Heico, and TaylorMade trust us as their supplier. Advance Plastics is here to serve you.

America -- The Very Best in Quality

Advanced Plastics has its main plant based in sunny San Diego. With us, you can rest easy knowing that you can have your parts proudly display "Made in the USA". Advance Plastics is a ISO 9001 and CRF certified manufacturer, meaning that we are a supplier you can rely on. When you choose to work with us, you have access to almost 40 years industry experience from an established and respected brand. Choose to buy American -- You will be glad you did it.

The Latest Technologies

Recently, Advance Plastics upgraded and replaced ALL of its molding machines with the newest top-of-the-line Nanrong machines to keep our cost, speed, and quality, two steps ahead of the competition, additionally adding several new machines a year to keep up with demand. In 2016 alone, Advance Plastics has purchased more than 6 full-size injection molding & CNC machines, adding to our fleet of 60-1000 ton outputting machines. Our new machines are significantly more energy efficient, helping us leave a much smaller ecological footprint, and enabling us to do our part for the environment. Our commitment to the latest most efficient technologies makes us more agile, efficient, sustainable, and scalable, creating savings that we can pass down to you, the customer. Because of our exceptional production capabilities, Advance Plastics is able to be a high-volume low-cost manufacturer -- Since we produce so many parts, our overhead expense is diluted to almost zero, and you get to buy your parts almost at cost. Choosing us as your high-tech supplier, makes you a high-tech customer.

The Best Employees

Advance Plastics has a culture of teamwork and cooperation. Our management is very accessible to employees at every level in the company. Management, sales reps, and even the CEO spend most of the day on the production floor communicating with machine operators to ensure everyone firmwide is on the same page and acting as a unit. Advance Plastics goes out of its way to make sure it hires motivated, outgoing, and well trained employees. Advance plastics is also proud to be majority bilingual, speaking a language other than English. Diversity is a core value at Advance Plastics, and is one of the keys to our success.


The Advance Plastics factory floor is worked by seasoned mechanics, operators, and inspectors -- Many with decades of experience at the company. Our floor workers are trained to keep extensive documentation of the production process, creating information that allows you, our customer, to keep up to date on everything you need to know about your order. We as a workforce are scalable, adaptable, and eager to please: Each and every employee at the company prepared to give their all to make Advance Plastics exceeds your expectations. 

Contact Us:






225 W 30th St, National City, CA 91950

Production Floor Hours:

24 Hours

Office Hours:

8:00 AM - 4:30 PM