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Custom Engineering Plastics

We are a family-run custom molder located in San Diego, CA. Since 1987, we have been producing and running high-quality production molds in Aluminum. We partner with companies throughout Southern California; across the U.S.; and as far away as Ireland, U.K., Belgium, Australia, and Taiwan. Our niche is building and running economical tooling to produce close tolerance engineering grade molded parts. 90% of new business is acquired via referrals from long term happy customers.

Products and Services

We build and maintain very high-quality Aluminum injection mold tooling geared towards production volumes ranging from hundreds to tens of thousands. We then run recurring production as needed offering a range of secondary services like Ultrasonic inserting and welding, CNC machining including 5th axis, mechanical assembly, kitting, and final packaging. We tailor individual quality and production plans to particular customer requirements.

Manufacturing Processes

  • In-House Injection Mold Building
  • Production Molding
  • 3D Prototype Printing
  • CNC Machining
  • Milling
  • Reaming
  • Welding
  • Inserting
  • Video & Touch Probe Inspections
  • SPC Data Reporting
  • Mold Moving & Trials
  • Metal to Plastic Part Conversions

Contact this Company

Company Name: Custom Engineering Plastics

Category: All Other Plastics Product Manufacturing

Location: San Diego

Contact Person: Martin Quinn

Phone: 858-452-0961

Email: @

Website: https://www.cepi.com

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