Profile: Modular Mold Systems develops and distributes interchangeable insert molding systems. We deliver round mate master frames & inserts, which are standard with built-in water cooling & guided ejection & adaptable for different applications such as plate gating and electric & hydraulic unscrewing. Our side load is an insert system compatible with industry standard U-Frames and engineered for high tolerance parts & contains more useable space based on a true centerline.