One-stop global service platform for precision polymer Samwa is under Synergy Hanil, one of the world’s leading manufacturers in high-performance silicone, rubber, plastic, and other precision products. The Company has rich manufacturing experience with a professional team in the rubber and plastic industry for more than 20 years. Our precision manufacturing capability covers the development of new polymer and composite materials, design and manufacturing of precision molds, compression molding, plastic injection molding, liquid silicone rubber injection molding, spraying, surface treatment capabilities, metal machining, die cutting, and assembly.