阳极氧化 yáng jí yǎng huà

An electrochemical finish for aluminum that adds colour and hardness.

Related terms

• 咬花yǎo huāTexture (etched)
• 喷涂pēn túSpray painting / coating
• 丝印sī yìnSilk-screen printing
• 镭雕léi diāoLaser engraving / marking