About

About M.R. Mold & Engineering About M.R. Mold & Engineering Corporation M.R. Mold & Engineering is Southern California’s premier custom mold maker, specializing in the manufacture of tight-tolerance, complex geometry, high-quality Liquid Silicone Rubber (LSR) and plastic injection molds since 1985. We are committed to ensuring a successful project – something which our customers have come to expect from us as a world-class mold maker. M.R. Mold & Engineering's molding accessories have come to benefit the silicone industry. About M.R. Mold & Engineering Corporation M.R. Mold & Engineering is a global leader in the design and manufacture of injection molds for liquid silicone rubber, thermoset, and thermoplastic. From concept to completion, the company combines the expertise and technology to speed a product to market. Product development, design, engineering, mold manufacturing, validation, and molding are all performed in-house. M.R. Mold & Engineering is Southern California’s premier custom mold maker, specializing in the manufacture of tight-tolerance, complex geometry, high-quality Liquid Silicone Rubber (LSR) and plastic injection molds since 1985. We are committed to ensuring a successful project – something which our customers have come to expect from us as a world-class mold maker. M.R. Mold & Engineering's molding accessories have come to benefit the silicone industry.