Custom Plastic Injection Molding & Manufacturing

We help manufacturer products for clients across many industries ranging from consumer to business.

Mold Manufacturing & Reverse Engineering

Our tool builders are precision focused and take pride in developing and constructing tools with complex components.

Assembly, Machining, Sonic Welding of all Plastic Parts

The PEP assembly team is experienced in complex component assembly and dedicated to adhering to high quality performance standards.


Our on-site warehouse and trucking system is designed to optimize your supply chain management needs.

We can help take your product from cad drawing to physical production

From the design stage to the molding, assembly, and final delivery of your product

Who We Are & What We Do

Performance Engineered Products, Inc. a California Corporation, has been in Operation since 1981. PEP strongly believes in Service and working through Partnership with its major Customers.

PEP is an AS9100D & ISO9001:2015 and FDA Certified company. PEP has the skills, technology, creativity, capabilities, and resources to handle every molding need from initial design through warehousing and distribution..

Custom Injection Molding Service

with 40-year molding experience , We offer best price in price in the market with on time delivery

Our Services

From product development to assembly and just-in-time (JIT) services we provide our manufacturing clients with everything they need to get quality products to their customers.

Injection Molding

PEP’s certified facility utilizes the latests equipment to provide high quality custom injection molding.

Product Development

PEP continues to lead the industry with its creative and innovative assistance with product development


The PEP assembly team is experienced in complex component assembly and dedicated to adhering to high quality performance standards.

Quality Control

Our Quality department hands on in First article inspection , statistical process control and PPAP.  We have 24/7 inspection crew

Tooling Service

PEP is able to make any tool in house or oversea according to customer request.



With over 40-year experience in aerospace plastic injection molding , we are producing parts from high temperature material like PEEK , ULTEM, Polycarbonate.


With FDA approved manufacture and wide range of machine from 38 tons to 825 tons. PEP can manufacture vegetable trays, high precision engineered parts for irrigation system. This market mainly needs all weather products , durability , reliability. We can manufacture from our commercial plastic inventory.


PEP is serving main electric and electronic customer by making high precision parts. PEP is experience manufacturer of electronic part for 40 year, we are using Polyester Thermoplastic and Polyether Sulphone. We can help you to manage your supply chain.


PEP is ITAR certified manufacturer, we have experienced to make respiration valve, Gun component etc. PEP has Experience design and process team will help you to make your part successful on field. PEP is strictly following intellectual property norms.


We offer OEM service for our automotive customer. We can do small production volume to large production volume. We are capable to do just in time service to maintain your supply chain. We are offering parts from NYL glass fill and many other materials.


PEP has clean room facility to give perfect clean environment for your manufacturing need. We have 24 hours quality inspection for our production. We are FDA and ISO certified manufacturer. We are offering small production run with affordable cost.


PEP provides Design, manufacturing , assembly , packaging service under one roof. We have expert marketing team to give help you out for the product launching and product release. We are able to Label , hot stamp and pad print your products.


PEP can make any OEM industrial plastic parts for as your needs . We have expertise in tool making and tool improving. We can make your part with high end plastic material with precise dimension.

Our Valuable Customers






Manufacturing Plant

Our Certifications

Plastic Injection Molding Capabilities

Industries target Aerospace , Medical , Automotive , Defense , Electronic , Consumer. , industrial.
Material Expertise PEEK, ABS , Acetyl , Acrylic , Copolymer Polypropylene , HDPE/LDPE , Nylon , PEEK , Vectra , PET , Polycarbonate , Polyester , Polypropylene , Polystyrene , Polyurethane , ULTEM , Liquid Crystal Polymers
Product Capabilities Large Size parts, Medium-sized parts , Micro parts , Miniature parts , Small-sized parts.
Services Insert Molding , Over Molding, assembly , Mold Making , Kanban Program , Inventory Managed Shipment, Printing or decorating.
Production Volume Low Volume , Small Runs , High Volume , Large Runs , Sample Runs
File Formats AutoCAD (DWG) , STEP , UG , IGES , JPEG or JEPG , PDF , Solid Works (SLDPRT, SLDDRW, SLDDRT)
Shot Size 56g (min) – 4564.27g (max)
Clamping Force 38 tons (min) – 825 tons (max)
Number of Cavities 1 cavity (min) –48 cavities (max)
Tolerance (+/-) Down to 0.0001 in.

PEP is dedicated to high-quality production of your products from design to delivery.

Contact our experts to help bring your idea to market efficiently & cost-effectively.