Custom rubber parts made to meet your specific requirements Sanshi Rubber's custom rubber parts and products include round rubber gasket, molded mechanical rubber parts products, molded mechanical rubber bushings for industry Molded silicone rubber parts, round shape rubber gasket, etc. We use custom compounds and commercial grade rubbers as well as compression, injection and transfer molding equipment. Contact us to learn more. Sanshi Rubber can provide custom rubber parts and products to meet the specific needs of your project. As an experienced manufacturer of custom rubber parts, we aim to provide you with the best parts to meet your needs.