Molding Over Plastic Insert: Rainbowmold is a specialist manufacturer of custom plastic injection molding for global OEM/ODM buyers. Our capability covers overmolding, insert molding, in-mold labeling and clean-room molding, produced in ABS, PC, PP, PA, POM and TPE/TPU to tight tolerances. Backed by 20+ years of experience, ISO 9001 and ISO 14001 quality systems, and compliance with ANSI, ASME, DIN, BS, GB, ISO and JIS, we deliver from rapid prototype and tooling through mass production with DFM support and door-to-door logistics. Send us your drawing or sample for engineering feedback and a fast, competitive quote.
Sterile EO Filter Housing
Medical-Grade PP Syringe Barrel
Antimicrobial ABS Diagnostic Case Mold
Antimicrobial ABS Infusion Pump Housing Mold
Molding Over Plastic Insert: our custom injection-molding cell runs the Molding Over Plastic Insert on 40+ presses from 25 to 1800 tons, covering tiny precision clips up to large structural housings. materials handled include commodity and engineering resins (ABS, PP, PC, PA, POM, PBT, PEEK) plus over-mold TPE. Vertical, two-shot, insert and over-molding processes are supported, and cleanroom molding is available for medical parts. we add insert/over-molding, plating, printing, ultrasonic welding, and kitting under one roof. As-molded tolerances are controlled to +/-0.02mm with full PPAP, DOE and first-article inspection documentation. Output is delivered under ISO 9001 to automotive, electronics, medical and consumer-product OEM programs. Share your CAD file or a sample drawing for tooling advice and a molding quote.
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