The material used is a two component addition molded silicone material, which can be cured at room temperature or at elevated temperature. Silicone molds have replaced the benefits of manual production in production, reducing production costs. All raw materials for silicone molds are environmentally friendly liquid silicone, which has resistance to low temperatures of -20-220 ° C, long service life, acid, alkali, and oil stains. The produced products have stable quality and standard specifications.