We have been aprroved by ISO9001:2000 Quality Management System and ISO14001:2004 Enviroment Quality Ststem. The features of our products: 1.well-proportioned coating and dots 2.high distinguishability and high-speed of sensitization 3.stabilized performance, high pressrun Our products adopt many advanced technologies,including electrolyzing dots,anodic oxidation, extruding technology,sensitive coating layer and electrolytic aluminium.