Beijing Sifang Automation Co., Ltd. was established in 1994, the founder of the first academicians of China Academy of Engineering, Professor Yang Qixun. Company is mainly engaged in power system automation and protection devices, power system security and stability control, HVDC control, SCADA, distribution automation, power plant automation and control systems, simulation training systems, power electronics equipment, rail transportation, industrial automation and clean energy and other areas of research, development, production and sales, for the power industry, utilities and large industrial customers (petrochemicals, railways, coal, metallurgy, rail transportation, etc.) to provide electricity and the overall integrated automation solutions, quality products and

present, four companies have hundreds of thousands of sets of digital relay protection and intelligent secondary equipment, thousand sets of substation automation system and power plant automation system is run successfully. Quartet, a secondary power industry equipment manufacturer and provider of complete solutions, the company's products have become the field of power system protection and control of the mainstream products. Meanwhile, the Quartet has in rail transportation, steel, petrochemical, oil and other fields has made a lot of money results in the field of industrial automation power plant and has made remarkable progress.

completely independent intellectual property rights based on extensive product system, four pioneering companies in the country to achieve technical achievements of many "firsts", the main products have been awarded National Science and Technology Progress Award and provincial scientific and technological progress awards, and has hundreds of patents and software copyrights, in addition to or participates in the development of over 100 international State and industry standards. Quartet's adhering to the "technology leader, always innovative" business purposes, seize the historic opportunity to reform and opening up the power, worked in urban and rural power grids, the Three Gorges Project, electric power, the country's electricity network, clean energy development, the Qinghai-Tibet Railway, 1000 kV high voltage engineering, urban rail transit construction, smart grid, relief, the Beijing Olympic Games, Shanghai World Expo and Guangzhou Asian Games and other national key projects have made outstanding contributions.

expanding in the domestic market share, while four companies in international markets has also made remarkable achievement. With the success of the product into Europe, Asia and Africa, the international Quartet has set a new image of Chinese high-tech enterprises.

Quartet's high-tech knowledge-based economy using the mode of operation, in order to provide more reliable products, the establishment of a set of master core technology of the production line. Currently, the production line is the highest degree of automation in the industry, production equipment, the most complete line of equipment. Meanwhile, in order to provide better service, the company also opened up a four-Nanjing and Wuhan, two important research and production base, marketing and technical service network throughout the provinces, municipalities and autonomous regions.

adhere to the Quartet has been the process of management-oriented, and in 1997 passed the international certification body The ISO9001 quality certification; 2007 by the internationally renowned certification body BSI ISO9001 quality management system, ISO14001 environmental management system and OHSAS18001 occupational health and safety management system Triple management system certification.

Inf, four companies in the development process continue to achieve excellent results, as the industry leader. Has been the Ministry of Foreign Trade and Economic Cooperation as "the flower of China's national economy" enterprises; MOST identified as "the backbone of Beijing software enterprise"; many times by the National Development and Reform Commission and other four ministries identified as "National planning key software enterprises "; into the Ministry of Information Industry announced" the largest Chinese software industry's top 100 companies "; by the Beijing Municipal Local Taxation Bureau identified as" Class A business tax credit "; won the national" business management modernization innovation "Award; awarded "National Torch Plan Key High-tech Enterprise". 2007 is the National Development and Reform Commission, Ministry of Science, the Ministry of Finance, Customs, State Administration of Taxation five ministries as "National Enterprise Technology Center"; four power automation control equipment company has been granted by the State, "Chinese famous brand "award. In 2008 it adopted the KEMA IEC61850 Level A certification and CMMI L3 level evaluation.

now, the Quartet has become China's electric power industry, and Beijing Zhongguancun Science Park's well-known enterprises, has a good corporate image and reputation is deserved China's power industry's leading automation companies.