Metal Surface Treatment Division

We have an advantage of the experiences to resolve your problems. We also treat the plate working, machining processing, heat treatment and painting; and orders for the product of consistent process is also possible.

We, Nihon Parkerizing Hiroshima Works, obtain ISO 9001 and 14001 certification.

Additionally, We obtain "Nadcap Chemical Processing" certification, which is the international certification of special processes of the aerospace industry.

Metal Surface Treatment

Sale of various chemical conversion coating agent, and conduct of surface treatment process in factory. With respect to the metal surface in all industries, it will deliver the appropriate action in accordance with the cleaning, anti-rust, base painting, lubrication and decorations, as a purpose at the highest quality.

Metal Surface Treatment Process

  • Slide Parts
  • Anodising

Sale of Chemicals

Anti-rust, surface for painting, phosphating and surface treatment for aluminium or magnesium
Anti-rust agent
  • Anti-rust oil
  • Volatile anti-rust, volatile corrosion inhibitor
Industrial Cleaner
  • Aqueous Cleaner, Anti-rust
Solid Lubricant
  • Coating Agent (lubrication, anti-rust, heat resistance)
Heat Treatment Agent
  • For heating, metal and light metal surface treatment
  • Gas carburizing inhibitor, gas nitriding inhibitor, plasma nitriding inhibitor etc
Plating Chemicals
  • Electroless nickel plating chemicals
Water-soluble cutting agent (correspond metal-nonmetal)
  • Water treatment agent for paint booth
Parting Agent
  • Neutrality, Alkaline, Acidity

R&D Division

We perform a test and technical development of the relevant metal surface treatment to respond to customer request. We are trying to meet the needs of the time as eco-friendly surface treatment technology for now.

Technical Development for Metal Surface Treatment

  • Anodising process
  • Electrolytic polishing
  • Development of metal joiningt technology


  • Scanning electron microscope
  • Atomic absorption spectrometer
  • X-ray Fluorescence spectormeter

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