Custom Plastic Injection Molding Services

Rainbowmold's injection molding services produce high-quality plastic parts with excellent dimensional stability and surface finish. enabling us to manufacture everything from tiny precision components to large structural parts. We specialize in automotive accessory molds, low-pressure injection molds, and in-mold laminated (back-molding of fabric) processes. Products span household appliances, medical devices, construction materials, electronics, automotive parts, promotional gifts, toys, and industrial products.

OEM Overmolding, Two-Shot Injection Molding and Rubber Plastic Mold Factory

We offer OEM overmolding, double-color injection molding, two-shot molding and rubber-plastic injection mold services, helping customers combine different materials and textures in one finished part.

Injection Plastic Mold Parts in ABS, TPE, TPU, Nylon, PP, PPS and PC

We produce injection-molded plastic parts in ABS, TPE, TPU, nylon, PP, PPS, PC and other engineering resins, serving applications that require good strength, appearance and dimensional stability.

Custom Mold Making, Stamping Tooling and Plastic Injection Design with OEM/ODM Service

From mold making and stamping tooling to polystyrene and engineering plastic injection design, we support OEM and ODM development for molded plastic products and assembly components.

Injection Molding Parts: our custom injection-molding cell runs the Injection Molding Parts on 40+ presses from 25 to 1800 tons, covering tiny precision clips up to large structural housings. we mold ABS, PP, PC, nylon, POM, PBT and glass-filled or flame-retardant compounds. Vertical, two-shot, insert and over-molding processes are supported, and cleanroom molding is available for medical parts. secondary operations include painting, silk-screen and pad printing, plating, ultrasonic welding and final assembly. As-molded tolerances are controlled to +/-0.02mm with full PPAP, DOE and first-article inspection documentation. Output is delivered under ISO 9001 to appliances, medical devices, telecom enclosures and automotive accessories. Share your CAD file or a sample drawing for tooling advice and a molding quote.