Profile: Schaefer Mold & E D M Service, Inc. produces injection molds for the plastics industry. We specialize in building multi-cavity tools, which include automatic unscrewing, hot manifolds and hydraulic slides. Our production mold is designed using computer-aided design and computer aided machining. We offer hardened molds, pre-hard production molds and prototype molds. We fabricate turnkey molding systems, which include standard injection and micro-precision injection molding systems to produce parts on a fully automated cycle.