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Contact Information

6757-A Las Positas Road
Livermore, CA 94551
+1 925-454-3400
www.westecplastics.com

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About WesTec Plastic Corporation

Over Four Decades of Injection Molding & Tooling!

Since 1969, Westec Plastics Corporation has set the standard for the custom plastic injection molding industry. We specialize in close tolerance mold manufacturing and production. Quality and customer service are our top priority and 100% customer satisfaction is our goal.

Westec’s engineering design team can take your project from concept to design by supporting customers with product design and mold flow analysis. Westec has a full service tool room whose staff can assist you with mold design, prototypes, and mold manufacturing.

Our state-of-the-art injection molding machines range in size from 39 to 440 tons. Real Time Monitoring tracks mold performance and efficiency. Class 100,000 clean room facilities are also available for medical and applications that require an extra degree of cleanliness.

Community Reviews Summary

6 Community Reviews 4.33/5 Overall Rating

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WesTec Plastic Corporation Reviews

The plastic experts!


CEO/Owner , Architectural And Engineering
07/29/2014

Speed 4 / Price 4 / Quality 5

These guys are the plastic experts and that is all they focus on. We have purchased of various grades and quality, plastic materials from WesTec in the past for our assembly line products. Aside from the high quality products, their staff is very technical and can identify the right kind of plastic materials for our needs as they have been in the business for 25+ years. We highly recommend this group.

Strengths: High quality plastic materials, very knowledgeable and technical staff

Needs to improve: None.

Company great injection molding products with professional customer services.


Supply Chain/Logistics , Consumer Products
06/21/2014

Speed 5 / Price 5 / Quality 5

We received materials from WesTec for our interposer assembly products. quality are good they are in this business for more than 40yrs. They have good machine operators to manage and make sure that products are pass for their customer satisfaction. they are competitive prices, quick turn around and rapid delivers.Westec is also certified ISO9001.

Strengths: Quality, Customer Service and Reliable.

Needs to improve: None

Westech injection molding company material products are reliable and they are great on custome designs!


Supply Chain/Logistics , Consumer Products
07/18/2014

Speed 3 / Price 3 / Quality 4

We received plastic materials from Westech, they were use for our products to secure properly. Quality are durable and they are good on custom designs and custom sizes. This company has been in this injection molding for many years. I will continue to support their products.

Strengths: Quality, customer services, custom designs and dependable.

Needs to improve: None.

Westec is one of our supplier that i like to received the products. they are light and easy to stock.


Supply Chain/Logistics , Consumer Products
07/29/2014

Speed 4 / Price 3 / Quality 4

I received plastic materials from Westec Company. these were use for our Kitting assembly. Quality is good for such as tiny plastic. they have really good on designs and customs sizes. Our purchase department also please on communicating with their customer service.

Strengths: Customer service , Reliable , Quality , Acurate Quotes and Dependable

Needs to improve: None.

Reliable product.Quality service


Manufacturing , Medical Device
07/29/2014

Speed 4 / Price 4 / Quality 4

This company is been providing us quality product for awhile now.
They have quality system that run their business very effiecient and accurate placing your orders is always easy.
They have many ways of shipping your product.
Very reliable customer service fast response and very professional.

Strengths: Reliable
Great company
Good communication

Needs to improve: None

Great Vendor


Finance/Accounting , Consumer Products
07/30/2014

Speed 4 / Price 4 / Quality 4

Our company used Westec to make some prototypes. We needed several versions for molding. We sent them the specs and molds came back as requested. We made our samples and it work out great.

Strengths: Precise molding / prototyping. Quick turn around.

Needs to improve: none