Profile: Circular Concepts, Inc. renders injection molding services. We provide straight injection molding, insert molding & over-molding, solvent bonding, sonic welding, hot stamping, sub-assembling and complete assembly. We serve automotive, railroad, electronics and medical industries. We use a wide variety of engineered and commodity resins. We are a custom molder of thermoplastic materials. We are accredited with ISO 9002 certification.