is a professional manufacturer producing earphones,power plugs and switches.it is engaged in the research and production for electronic components since its foundation;and until now, Haoyu has set up a complete system for development,manufacture,assembly,sale,and after-sale service.The company is ofstrong technology,advanced examining and testing instruments.With refined and assorted products and elegant quality,it passed the approval of ISO9001,and its productsare well slaed to Southeast Asia,Europe and America,highly praised by is its clients.The company complies by the tenet “quality satisfies the clients and creating benefit by good management”,and keeps pursuing the goal”no unqualified products returned,and 100% delivery” to greet the together with its clients as well as the new ones. 86-769-8653 9396