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About us

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Company profile

Jiangsu Defeile Intelligent Science and Technology Co., Ltd (referred to as Defeile) is located in the High-Tech Development Zone, Yangzhou City, Jiangsu Province. The company has worked with several universities and research institutions, and established an R & D center in Nanjing High-Tech Industrial Development Zone, relying on the powerful scientific research and talent advantages of colleges and universities to develop new technology and new products. After years of development, it is now a relay protection control and distribution network product supplier integrated with research and development, production, sales and service, which has already become a high-tech enterprise and a backbone software company. For faster and better development, the company has been introducing technical and management personnel to enrich the team, gathering a large number of technical elites dedicated to the research work of power automation products. The company also has numerous independent invention patents, whose products mainly include integrated substation automation system, intelligent substation system, 220kV and below relay protection devices, distribution automation system (DTU, FTU, and railway RTU), low voltage instrument, new energy and power electronic products, etc, fully reflecting the company's research and development, the core technology and comprehensive application supporting capacity, who has transformed into one of the few companies in the industry that can provide a complete system solutions for customers. 

The company adheres to the development concepts of "pragmatic, refinement, cooperation and win-win" to create benefits for customers, create wealth for the society, create a platform for employees and create value for shareholders, who is striving to become a domestic well-known enterprise with internationally competitiveness and sets of equipment solutions for power system secondary equipment. 

The company has established a management system cored as ISO9001 quality management system with elements of environmental and occupational safety, and actively implements the quality engineering to become a trusted partner with advanced products, reasonable price, professional service and honest quality. At present, the company has established a complete set of product research and development, production, sales and service system, and has an efficient and capable professional marketing and after-sales service team. The first developed DFL-611 series of integrated protection and control device, DFL-316 series of integrated protection and control devices, and DFL-815 distribution automation remote terminal units have passed the test of the State Grid Electric Power Research Institute Experiment Center, and awarded the "Automation Products EMC Inspection Registration Certificate" and "Electric Power Automation Products Form Inspection Registration Certificate", which have formed a mass production capacity and are applied for the State Grid and provincial network projects. On the basis of the domestic market, the company has been actively expanding overseas projects, and has exported thousands of sets of various protection and control devices to foreign countries.

The new era, a new starting point and new requirements, we have the confidence and ability to transform into a bigger and stronger enterprise. A new and full of competitive advantages Defeile sincerely welcomes domestic and foreign counterparts to cooperate with us and jointly create a better tomorrow of intelligent technology!

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