Nanjing Jinning Sanhuan FDK Co., Ltd Nanjing Jinning Sanhuan FDK Co., Ltd(abbr.: JSF) is a Chinese-foreign joint venture invested and founded by Nanjing Jinning Electronics Group Co. , Ltd.(36.0%) , FDK Corporation of Japan (33.4%) and Beijing Zhongke Sanhuan Hi-tech Co., Ltd.(30.6%). Total investment volume of the company is 576.88 million Yuan(RMB) including a registered capital of 325.944 million Yuan(RMB). Its registered place is located at 9# Xingjian Road, Nanjing Economic and Technological Development Zone .