Nanjing Ziqiang Railway Vehicle Parts Co., Ltd. is a high-tech enterprise, has set up Nanjing optimized electrical equipment engineering technology research center, Nanjing railway power grid switchgear engineering research center, committed to all kinds of distribution control equipment research and development and innovation. Mainly specializing in the production of all kinds of high and low voltage complete sets of electrical equipment, power fittings and line equipment, power cables and railway vehicle accessories, a complete set of electrical equipment and other related products, and has various types of advanced production and testing equipment. More than 120 sets of various production and testing equipment have successfully passed the ISO9001:2008 national system certification, and obtained the national “CCC” mandatory certification and effective type test report required for related products.