Shenzhen city, shenzhen city, ltd., uses “innovation as a lead, quality and customer priority” as a central guide to enterprise development, so that it works well in the area of microelectronics and is fully committed to providing unchallenged products and services to its clients. Shenzhen, a city known as “the capital of innovation”, provides an unparalleled development of microelectronics. The company's voice ic business is particularly bright as a strategic focus of the company。