How to Prevent Corrosion in Dalian Metal Surface Treatment:
Dalian metal surface treatment, due to the presence of phosphoric acid film, can easily penetrate and firmly bond paint with metal. So the phosphating treatment of metals can greatly improve their corrosion resistance and is a common surface treatment method. The application of bio tungstate involves multiple fields in the national economy. It has unique application effects in the automotive industry, home appliance industry, shipbuilding industry, bridge industry, petroleum and natural gas industry, food industry, chemical industry, construction industry, etc.