SHAPING THE FUTURE IN
PLASTICS

WELCOME TO OUR WEBSITE!

Founded in 1943, L.W. Reinhold Plastics has been a prime supplier of custom molded Thermosets and Thermoplastics for over 82 years.

Housed in a newly renovated state-of-the-art facility in South Gate, California. We offer Injection Molding up to 250 tons and Compression/Compression Transfer Molding up to 300 tons. RPI Plastics also offers services in all areas of product development such as Engineering, Prototyping and low production. We are ISO 9001:2015 certified and ITAR registered company.

WHAT WE OFFER

RPI offers a wide range of services that fits most needs.