As far as I know, Hefei Huaqing phosphorus-free converter has been used in Kunshan Giant for 8 years. After 8 years of stability and effectiveness tracking, it is ensured that the treatment conclusion is equivalent to that of zinc phosphating, and at the same time, it has advantages that phosphating does not have: it conforms to national standards, does not contain phosphorus, nitrite and heavy metals, has low comprehensive cost, is simple to operate and maintain, and does not need sewage treatment equipment and heating equipment.
Huaqing phosphorus-free converter has five advantages: first, the normal film formation in pickling process; Second,? The conversion film can be cleaned; Third, the performance of electrophoresis process is up to standard; Fourth, you can feed more lines; Fifth, the corrosion resistance is greatly improved.