City Bank Sound Electronics Co., Ltd. is a collection of automotive products development, operations, packaging, marketing and sales of integrated enterprise. Founded in 1992, after many years of operation, has successfully launched operations Heijian, through kings, Yuma, Grammy, ETON, UG, McNair Express, Expider, seven of the nine brands Imperial collar. Silver sound system is the product configuration solution provider, product marketing solutions provider, efficient service providers, marketing concepts for providers. Brand covering automotive supplies market, 4S shop, a large automotive beauty chain stores, before loading factory. Silver sound development of the industry the company mission, and constantly create products and technology summit. Has held six sessions nationwide car audio conversion contest, launched China's first visual parking system before, to build China's first non-destructive upgrade touchscreen BMW automobile, technology and innovation in the industry formed the right to speak, in the majority of businesses, consumers, the media and the community are widely recognized. Silver sound company "harmonious, win-win" spirit of enterprise, through years of cooperation with management, and provincial and municipal agents to establish a good working relationship and lasting depth. Friendly, interactive, win-win for the idea of ??cooperation, the implementation of information flattening, standardized technical installation, service and standardization of work processes, aiming with a friendly agents, 4S stores, terminals and channels of cooperation businesses grow together.