Industrial chemicals and pharmaceuticals handled by specialized trading companies for manufacturing industries. Classification centered on imported chemical products from overseas manufacturers including special solvents, high-purity reagents, surface treatment agents, cleaning agents, lubricating oils, rust preventives, adhesives, and sealing materials. Targets specialized chemical substances used in manufacturing processes such as cutting oils for metal processing, heat treatment chemicals, high-purity chemicals for electronic component manufacturing, and additives for resin molding. Provides overseas chemical products difficult to obtain domestically and chemicals specialized for specific industrial applications through trading company expertise and import channels. Unlike general-purpose chemicals, this represents a group of highly specialized chemical products that respond to specific manufacturing processes and advanced technical requirements.