R & D Engineering can help you with your plastic injection molding design and mold building projects. Located in Earlham, IA, we can work with just about any type of resin and our molding machines vary in range from 5 to 70 ounce injection production. We offer each of our clients - Rapid prototyping SLA Design assistance Mold making State-of-the-art injection molding Secondary operations Warehousing Delivery Call R & D Engineering today for all your plastic injection molding needs.