Our horn series have passed CCC certification in China, E-MARK certification in Europe, i-CAT certification in India and VSCC certification in Taiwan.We have modern production base, first-class production equipment and perfect testing means, a highly educated, highly qualified and experienced research and development teams, with comprehensive ability of automobile electric appliances research, development, product assembly, plastics injection molding, die-casting, stamping, electroplating, spray coating, mould processing and relevant test and inspection ability as well. we passed waterproof test ,EMC test,corrosion resistance test and so on, to get the approval . if you have interest in our products, please contact us .