Hi-Rel Plastics & Molding

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Riverside, CA  |  951-354-0258

At Hi-Rel Plastics & Molding, we are a team of experienced professionals dedicated to providing top-quality plastic injection molding and custom blow molding products and services to a wide range of industries. We were founded in 1984, and with over 35 years of experience, we have become a turn-key manufacturer that offers a full suite of services from part evaluation to production of quality finished plastic and metal parts. Our focus on innovation, efficiency, and customer satisfaction sets us apart from other plastic manufacturers.
We specialize in designing and producing high-quality plastic injection molded and blow molded products, including custom containers, bottles, jars, and other plastic products. Our products are available in various sizes, shapes, and colors, making them suitable for a variety of applications, including food packaging, automotive, medical, and consumer goods.
We offer a full range of services to meet our clients' specific needs. From initial product evaluation to final production, we work closely with our clients to ensure the highest quality and satisfaction. Our services include plastic injection molding, custom blow molding, 3D printing, prototyping, tool design, tool making, sampling, label application, assembly services, and custom packaging and shipping services.
Our team of experts has extensive experience in both plastic injection molding and custom blow molding. We have a state-of-the-art facility and equipment, which enables us to manufacture custom products with precision and efficiency. We do extrusion blow molding, injection blow molding, and injection stretch blow molding. Our company is ISO 9001:2015, AS 9100 Rev D, 13485:2016 Certified.”
At Hi-Rel Plastics & Molding, we take pride in our commitment to delivering top-quality plastic injection molded and custom blow molded products and services to our clients. Our team of experienced professionals is dedicated to providing innovative solutions and ensuring customer satisfaction. We strive to maintain long-term relationships with our clients by delivering high-quality products and services that exceed their expectations. Whether you are in need of plastic injection molding, custom blow molding, or other related services, Hi-Rel Plastics & Molding has the capabilities and expertise to meet your needs.

Blow Molded Plastics Power Pages

Blow Molding

Blow Molding

Blow molding is a type of plastic forming process for creating hollow plastic products made from thermoplastic materials. The process involves heating and inflating a plastic tube known as a parison or preform. The parison is placed between two dies that contain the desired shape of the product...

Plastic Bottles

Plastic Bottles

Plastic bottles are bottles made of high or low-density plastic, such as polyethylene terephthalate (PET), polyethylene (PE), polypropylene (PP), polycarbonate (PC), or polyvinyl chloride (PVC). Each of the materials mentioned has...

Plastic Materials

Plastic Materials

Plastic materials are objects artificially made from organic compounds called polymers along with other additive components. They possess excellent formability, making them extremely versatile for many different fabrication and manufacturing processes...

Plastic Molding Processes

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