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Contact information

  • ContactsContacts:General manager Zheng
  • TelTel:+86-411-6687-9288
  • AddressAddress:No.3Buliding No.3 HuaiHe Zhong Road DDA Dalian City Liaoning Province P.R.China
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Black dye

Release time:2020-04-10

Black dye, also called black, or blue hair. The solution reacts with the material of the workpiece itself to produce a coating film, and the film thickness is 0.5-1.5 micron after the oxidation treatment, which has no significant impact on the size and precision of the parts. Its film is better wear resistance, dark shiny, extremely beautiful.

Cylinder block

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