1. Plaster mold: cheap, low mold cost, low general demand, shallow depth, simple structure, low quality requirements, mostly used for sample production.
2. Copper mold: The most commonly used mold in the plastics industry, the price is generally acceptable, and the surface of the mold is smooth and durable. The products with higher depth can also be plasticized, and the quality can meet the requirements of the relevant plastic packaging.
3. Aluminum mold: It is expensive, high precision, hard and durable, usually requires strict products, the right angle is relatively thin and straight, and the deep depth of the product is used.