Business overview-

PROCESSING SERVICES

Regarding our contract processing business, as of April 1, 2026, it has been transferred to Parker Processing Co., Ltd., our wholly owned subsidiary. For further details, please refer to the link below.
https://www.parker-pro.co.jp/

Our surface treatment specialists are ready to answer any questions. Please feel free to contact us!

  • Want to hear more about zinc phosphate coating.
  • The heat treatment supplier you were using has gone out of business.
  • Don’t know how to find an overseas commissioned processing supplier.
  • Want to switch materials to aluminum but don’t know about surface treatments.
  • Looking for a blackening treatment after heat treatment at a low price.
  • Want to reduce costs by changing the combination of materials and surface treatment.
  • Want to know if the current surface treatment is the best option.

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Business contents-

  • Rust prevention
    (Functional surface treatment)

    We offer a wide range of surface treatments from rust prevention treatment of metals to multi-functional surface treatments.

    Rust Proof
    Function
    • Bare corrosion resistance
    • Paint corrosion resistance
    • Weather resistance/Outdoor exposure
    • Acid resistance/Chemical resistance

  • Heat treatment

    We offer an extensive range of heat treatments from the conventional to the very latest heat treatments.

    Hardening
    Function
    • Hardening
      • Mechanical Strength
      • Fatigue strength
      • Surface hardness
      • Load bearing capacity
      • Wear resistance
      • Seizure resistance
    • Lubrication
      • Lubricity
      • Low friction coefficient
      • Slidability
      • Wear resistance
      • Seizure resistance
      • Galling prevention
      • Initial conformability
    • Adhesion/Bonding
      • Paint adhesion
      • Rubber adhesion
      • Plating adhesion
      • Adhesive strength
      • Roughening
      • Tensile shear strength
      • Compression shearing strength
    • High function/Others
      • Insulation/Conductivity
      • Water repellency/Oil repellency
      • Hydrophilicity/Lipophilicity
      • Heat resistance/High‐temperature oxidation resistance
      • Light reflection prevention
      • Blackening treatment
      • Non-stickiness
      • Antifouling property

  • Others

    • WEATHERCOAT
      Treated with rust stabilizing treatment for weathering steel which exhibits superb weathering resistance and good air/water permeability, and appearance regeneration treatment.
    • TRIC (Rust preventive primer)
    WEATHERCOAT&TRIC

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