Classification for imported products, specialty materials, and overseas equipment handled by specialized trading companies and commercial firms serving the manufacturing industry. This product group includes overseas industrial materials, specialty alloys, precision components, and industrial machinery from foreign manufacturers that are difficult to obtain domestically and are procured through specialized trading companies. This product category functions as a commercial gateway for products that are difficult to purchase directly from manufacturers and overseas products requiring technical support. Unlike general domestic distribution products, this targets products requiring specialized knowledge and import expertise.