What are the advantages of three plates molds? 1. The traces of the sprue are small to avoid affecting the appearance of the product, such as the camera casing. 2. The precise layout of the diversion channel is suitable for mass production of small products, such as gears. 3. The product and channel condensate are automatically cut off, without the need for manual trimming. 4. The runner plate is independently designed, and there is no need to modify the mold body when modifying the gate, reducing the cost of mold modification.