PROTKEEP

Chemical agents for use in metal surface film formation for reducing lixiviation of metal component; metal surface film formation agent for lixiviation reduction of cadmium, copper, or zinc, etc; chemicals; adhesives not for stationery or household purposes; higher fatty acids; nonferrous metals including antimony, silicon (metal element), cerium, and tellurium; non-metallic minerals; unprocessed plastics plastics in primary form

Iron and steel; nonferrous metals and their alloys; metal materials for building or construction; metal pulleys, springs and valves not including machine elements; metal junctions for pipes; metal flanges; metal hardware; industrial packaging containers of metal

Metal surface film formation treatment for anti-rust or polishing; metal surface film formation treatment for lixiviation reduction of cadmium, copper, or zinc, etc; treatment of metal; ceramic processing; water treating; recycling of waste; rental of metal treating machines and tools; rental of chemical processing machines and apparatus