Registered and established on 30th, Jan. 2008 as a subsidy solely by CRRC Zhuzhou Locomotive Research Institute Co., Ltd., Zhuzhou National Engineering Research Center of Converters Co., Ltd.(hereafter be shorted as NERCC) is affiliated to CRRC Corporation Limited. The company now processes a registered capital of RMB 273 million. As a high-tech enterprise accredited by the Department of Science and Technology of Hunan province, it is specialized in research of the frontier science of converter technology, modularity design and systematic application of the core technology. Construction of National Engineering Research Center of Converters was started in 1995 with the approval of the former State Development and Planning Commission. It is the only state-level engineering research center in the field of converter technology of China, which takes it a historic mission to promote the independent intellectual property, rights and core competitive strength of the converter technology of our country and to play the deserved role of traction and direction in the field of converter and electrical drive technology of the state. The corporation has a committee of converter technology which comprises of over 20 well-known experts from china and other countries and has constructed an overseas research center in USA engaging in research of high-voltage frequency conversion technology and the technology of improvement of the quality of electrical energy, and development of new products to follow up the trend of development of the converter technology of the world and master the most advanced and frontier converter technology for making the corporation an engineering research base of converter technology with global competitive strength. Our company mainly engages in the business of wind power converter series products, industrial drive series products,, high-voltage frequency conversion device, motor test system with frequency-conversion, the series of high voltage soft start device, power quality control devices (SVC, SVG, FC, APF etc.), metro rectification power, metro energy-absorption device, metro energy-feedback device, high-power industrial rectifying device and special power supply equipment .All the products are welcomed by the world and praised by the customers, which widely used in the industries as railway, chemical industry, metallurgy, mining, steel, and oil field. Since the establishment, NERCC has passed ISO 9000 quality system, ISO 14000 environment system, the first-class state standard enterprise certificate of quality safety, set up to the test lab of application of converter technology, integrated test lab of converter technology, test lab of development of control technology and computer-control system, test lab of EMC, test lab of cooling technology and the test lab of high-voltage and medium-voltage dynamic power compensation, and boast a large number of advanced production and experimental equipments such as high voltage soft-starting type test desk, high-power frequency converter test platform etc.. It has professional manufacture bases with the area of 20000 m2 and total investment of over RMB 100 million Yuan. The corporation is devoted to satisfy the demand of users of energy saving, lowing cost and improving benefits, acts according to the corporate spirit of “Trusting, Enterprising, Innovating, Surpassing”, comprehensively utilizes the advanced research fruits of modern electric power and electrical technology, computer control technology and technology of computer network to provide the users with all-round solutions of application, and makes persevering efforts in creating fine economic returns and social benefits.