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