C & J is a world leader in high quality and complex core manufacturing. Founded in 2006 with more than 30 years of experience in the core manufacturing industry, C & J is a trusted name in the foundry business with proven performance across aluminum, iron and steel castings. 

Our product portfolio—which includes large core shooters with a wide range of clamping dimensions, flexible mixing plants and the latest drying technology—is consistently focused on customer requirements.

We always strive to offer quality service with delivery and pricing to all our customers and we work closely with each customer to produce high quality cores and find innovative solutions to satisfy precise client needs. 

We are located in the industrial area of Santa Fe Springs, CA and all cores are manufactured in house.

Our Services

 

Dry Sand

Our dry sand cores create the internal cavities and passages your castings require. We work to your specifications, with attention to core strength, dimensional consistency, and dependable performance throughout the pouring process.

Shell

Our shell cores support detailed castings with smooth surfaces and consistent dimensions. Made using resin-coated sand and heated tooling, they provide a reliable solution for forming intricate internal shapes and passages.

Cold Box Isocure

Our Cold Box Isocure service produces strong, accurate sand cores for a wide range of casting applications. This fast-curing process supports efficient production while maintaining the detail and consistency your foundry needs.

Core Box Repairs

Keep your tooling working at its best with our core box repair services. We address wear and damage to help restore accurate core production, extend tooling life, and keep your casting operations running smoothly.