Precision Manufacturing Backed by Experience
From concept to mass production, Topsun delivers precision-engineered silicone rubber components with consistent quality, flexible customization, and dependable global supply. Whether you require compression-molded parts, liquid silicone rubber (LSR) components, silicone gaskets, seals, keypads, or complex overmolded products, our experienced engineering team provides tailored manufacturing solutions to meet your exact requirements.
Every silicone component is produced according to your drawings, samples, or technical specifications.
Our experienced mold engineers optimize tooling structure to improve product consistency, reduce flash, and shorten production cycles.
We offer a complete range of silicone materials including food-grade silicone, medical-grade silicone, flame-retardant silicone, conductive silicone, high-temperature silicone, low-compression-set silicone, and customized silicone compounds.
Every production batch undergoes incoming material inspection, in-process monitoring, dimensional measurement, appearance inspection, and final quality verification before shipment.
Whether you require prototype samples, low-volume production, or large-scale manufacturing, we provide flexible manufacturing solutions tailored to your project.
Rapid tooling and engineering support help customers shorten product development cycles and accelerate product launches.
Our products are exported to North America, Europe, Australia, Southeast Asia, and many other international markets.
Our engineering team assists customers with material selection, product optimization, manufacturability analysis, and cost reduction recommendations.