Injection Molding Injection molds are good for mass production in a few aspects. 1. Multi materials. The production method is suitable for multi materials, such as metal, resin, plastic, ceramics, silicon and more. 2. Stability. As the parts are produced with molds, so the parts are identical and uniformed as the mold and stablized. If you need molds or mass production in injection mold, we could help in medical, automobile, home appliances, and other industries!