General items of import and export of goods and technology: production and sales of plastic products and plastic raw materials, metal stamping parts and metal materials, decorations, building materials (excluding hazardous chemicals), chemical products and chemical raw materials (excluding hazardous chemicals and precursor chemicals), mechanical and electrical products, mechanical equipment, automobile and motorcycle spare parts; mold design, manufacturing, maintenance, warehousing services (excluding hazardous chemicals), freight forwarding (excluding ordinary freight), recycling of renewable resources