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Surface Treatment of metal products are essential important
in many industries, it’s mainly used for:

 
 

  ♦ Surface finishing Available at QiHANG 

  • Improve appearance
  • Decoration
  • Modify Electrical conductivity
  • Improve hardness (eg. for resistance to damage and wear)
  • Prevention of corrosion

 
 
  • Deburring
  • Mechanical Polishing
  • Grinding
  • Sand blasting
  • Passivation
  • Chromate conversion coating / Alodine
  • Anodizing
  • Spray painting
  • Powder coating
  • Electro-plating