Trivalent chrome passivator process without hexavalent and oxidizer, got SGS international certification.

Apply to trivalent chromium passivation treatment for yellowish and blue, with excellent corrosion resistance.

The passivation layer is easy to stain organic dyes.  

Reduce the cost of wastewater treatment, while meeting the environmental requirements of forbidden hexavalent chromium.

Use a long period, it is better to recycle the reflux washing water.

Comply with U.S. GME00252 and GMW-3044 standards.