Molding Product Over Plastic Mold: 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.

Copper-Insert Sensor Probe Body Mold Plastic Injection Molding

Brass-Insert Sensor Probe Body Mold Injection Molding

Steel-Insert Sensor Probe Body Mold Injection Molding

Copper-Insert Antenna Base Mold Plastic Molding

Medical-Grade LSR Sealing Gasket Plastic Mold

Molded-Seal Insert Heating Element Mold Injection Molding


Hot-Runner Valve-Gate Automotive Lens Mold


Sealing-Grade Overmolded Sensor Plastic Injection Molding


Molding Product Over Plastic Mold: our custom injection-molding cell runs the Molding Product Over Plastic Mold 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. 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.