Profile: Precise Cast Prototypes & Engineering, Inc., is a rapid prototyping and low-volume production company. We specialize in aluminum, magnesium, and zinc castings. Our metal casting service focuses on rapid prototyping, production metal castings, and low volume manufacturing. Zinc castings can offer benefits including speed, production options, and design flexibility. Zinc parts are used by heavy equipment manufacturers for agricultural, military, mining, and industrial applications.