This article provides a comprehensive overview of the EPDM (Ethylene Propylene Diene Monomer) seal production process. It covers each stage in detail, including raw material selection and preparation, mixing and compounding, compression molding, vulcanization, post-processing, and rigorous quality control. The guide highlights the methods used to ensure high-quality, durable, and reliable EPDM seals suitable for extreme temperature applications ranging from -50°C to 150°C.