Surface treatment production line with the latest international standards,can process the parts up to 4 meters. It has the capability for the process of aluminum alloy chemical conversion, anodic oxidation, cadmium plated of stainless steel and spray paint processing, which qu🍌alified by COMAC, Bombardier and Airbus in 2014, especially the process of tartaric acid anodizing is the first one granted by customer in China.