Injection Molding Tooling Plastic: Rainbowmold is a specialist manufacturer of custom plastic injection mold for global OEM/ODM buyers. Our capability covers multi-cavity and family molds, insert/LSR molding, conformal cooling, produced in P20, P2006, H13 and 718H mold steels 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.
Medical plastic injection mold manufacturer

Container mold making and plastic injection molding.
Plastic injection mold for electric toy shell.

Injection molded plastic part

Plastic injection mold tooling for automotive, medical and industrial parts

Low injection pressure overmolding insert molding


Custom Plastic Injection molds and Moldings Services


Plastic Injection Mold Maker For Precision Connector Mold


Injection Molding Tooling Plastic: Rainbowmold supplies the Injection Molding Tooling Plastic together with the matching injection tooling, engineering single- and multi-cavity molds with hot-runner or cold-runner systems, conformal cooling and optimized gating for cycle-time and part-quality targets. mold steels include P20, 718H, H13, NAK80 and S136 hardened to the required HRC; rated for long-run mass production up to one million cycles. DFM and Moldflow analysis are provided before cutting steel, and CNC, EDM and wire-cut machining with SPI-standard polishing hold cavity accuracy. Dimensional part tolerance can reach +/-0.01mm. Production serves industrial, electronics, personal-care and automotive component projects, and all work is run under an ISO 9001 / ISO 14001 quality system. Send us your 3D STEP or IGES model for a free DFM report and mold quotation within 24-48 hours.