Yixing Silicon Valley Electronic Technology Co., Ltd. Yixing Silicon Valley Electronic Technology Co., Ltd. is located in Yixing Economic and Technological Industrial Development Zone, Jiangsu Province, with a land area of 145 mu and a total investment of 670 million. Its main products are small and medium-sized high-rise PCB boards, rigid-flexible boards and HDI boards. Yixing Silicon Valley Electronic Technology Co., Ltd. has been widely recognized and supported by the market and industry by virtue of its forward-looking and unique business philosophy, cutting-edge technology services and fast and punctual delivery, and has become the first and only special express sample manufacturer in China to enter the top 100 enterprises in the industry.