1. Vertical double-shot disc series, precision parts insert injection molding and two-color molding vertical injection molding machines. 2. The 180-degree back-and-forth alternating operation allows the operator to pick up and place inserts on a fixed operating surface, which is convenient and efficient. 3. The turntable is driven by a servo motor and has a mechanical positioning device to ensure the accuracy of positioning and the safety of the mold, and to ensure accurate and rapid mold closing of the molding mold.