TopSun Industrial was founded in June 2016, we are a leading global manufacturer of silicone parts, specializing in the R&D, customization, and production of precision silicone products. With years of expertise in silicone components for smart devices, we provide one-stop custom silicone solutions for global brands.

Our manufacturing facilities include six 16-station 100–250T silicone compression molding machines and 4 liquid silicone rubber (LSR) molding system, enabling a complete and efficient production process. We are also equipped with comprehensive quality inspection equipment to ensure consistent product quality and reliability.

Our factory specializes in custom silicone rubber manufacturing, with years of manufacturing experience, we understand that every application presents unique challenges. Our team works closely with customers throughout every stage of product development—from material selection and mold design to sampling, mass production, and quality inspection—to ensure each component meets both functional and commercial expectations.