■ Processing and sales of various industrial sealing products (gaskets and packing) made from fiber, rubber, plastic, and metal ■ Sales of industrial plastic molded products, rubber molded products, fiber products, etc. ■ Sales of general-purpose and super engineering plastic materials and processed products ■ Sales of electronic and electrical insulation materials and piping-related products ■ Import or export of various industrial equipment and parts ■ All operations incidental to the above items