Non-chromate coating agents of ANC series are environmental-friendly chemicals that are suitable for underpaint or top coating on aluminum or zinc surfaces. After treated in non-chromate coating agent, the adhesion and rust prevention properties are greatly improved. It is an excellent replacement for chromating agent. These products are compliant to RoHS (Restrictions on Hazardous Substances) regulation. It is easy to control the bath and the working bath is stable within six months. In this series, we have ANC-10, ANC-40 and ANC-70 for aluminum and aluminum alloys. ANC-50 is an excellent top coating for the galvanized steel surface.