All manufacturers
Roto Dynamics logo

Roto Dynamics

Custom rotational molding, product development and tooling for hollow plastic components.

AI-generated illustration of rotational molding; not the company's actual facility or products.

About Roto Dynamics

Roto Dynamics develops and manufactures rotationally molded plastic products in Orange, California. It works with customers from early product design through mold selection and repeat production, with services for hollow components such as tanks, housings and enclosures. The company describes biaxial molding equipment and options for colors, textures, inserts and foam filling. Its workflow also includes secondary operations, assembly and logistics support. Engineers can use the contact form to discuss a new product or existing design and provide drawings, material needs and expected quantities for a molding review.

  • Automotive
  • Industrial equipment
  • Medical devices
  • Energy
  • Consumer products
  • Aerospace

Industries from the company's own website, Nov 6, 2026

Services

AI illustration of rotational molding.

Rotational molding

Manufactures hollow plastic parts by heating and rotating a mold to distribute resin across its interior. Published options include custom colors and surface textures, molded-in inserts and foam-filled structures for selected product requirements.

AI illustration of product design.

Product design

Helps develop a concept into a design suitable for rotational molding. Work includes geometry and material review, 3D design collaboration and design-for-manufacturing input before a production mold is commissioned.

AI illustration of mold making.

Mold making

Supports fabricated, cast aluminum and CNC-machined tooling. Mold construction is selected around the product geometry, desired surface finish and production requirements, connecting design decisions to the molding process.

AI illustration of logistics.

Logistics

Provides post-molding operations and assembly support to prepare parts for their intended use. The broader service offering also includes warehousing and logistics, allowing production and delivery requirements to be discussed together.

AI illustration of mechanical assembly.

Mechanical assembly

Provides post-molding operations and assembly support to prepare parts for their intended use. The broader service offering also includes warehousing and logistics, allowing production and delivery requirements to be discussed together.

AI illustration of secondary operations.

Secondary operations

Provides post-molding operations and assembly support to prepare parts for their intended use. The broader service offering also includes warehousing and logistics, allowing production and delivery requirements to be discussed together.

AI illustration of warehousing.

Warehousing

Provides post-molding operations and assembly support to prepare parts for their intended use. The broader service offering also includes warehousing and logistics, allowing production and delivery requirements to be discussed together.

Locations

Company sources