Cedar Rapids Plastics Mold Manufacturers 12300 6th St SW Design and production of plastic injection and structural foam molds for computer, business, medical, material handling, and sporting good industries. Cedar Rapids IA Plastics Mold Manufacturers Manufacturing Specialties www.msimoldbuilders.com molds tooling plastic injection foam modeling mold builder moldmaking design prototype manufacturing molds tooling plastic injection foam modeling mold builder moldmaking design prototype manufacturing Business Reviews Manufacturing Specialties Testimonials