Changsha Danfenrui Electric Technology Co., Ltd.

I. Company Profile: Changsha Danfenrui Electric Technology Co., Ltd. was established in Changsha Economic and Technological Development Zone in 2013. It is a high-tech enterprise that has completed its initial accumulation stage and is now in a stage of rapid development and growth. After more than ten years of development, the company has built comprehensive independent R&D capabilities in integrated circuits, software, hardware, and system integration; in the two fields of rail transit onboard power supplies and full life cycle management of lead-acid batteries, it has grown into a technological innovation enterprise with great potential. The company has been recognized as a Little Giant Enterprise in the industry and information technology category in Changsha and a Specialized, Refined, Distinctive, and Innovative Little Giant Enterprise in Hunan Province. In the rail transit field: the company focuses on the technology and market development of rail transit onboard power supply systems and online monitoring systems, has a deep understanding of the needs and development direction of this field, and is at the forefront of leading the digitization and intelligentization of onboard subsystems. At present, its market share is in a leading position in fields such as onboard auxiliary power supplies for high-speed EMUs, low-harmonic air-conditioning power supplies for a newer generation of high-speed trains, air-conditioning power supplies for 600-kilometer maglev trains, onboard battery online monitoring, and intelligent air-conditioning online monitoring systems for 400-kilometer high-speed EMUs. In the industrial Internet of Things field: the company focuses on the full life cycle management of industrial equipment (components), is committed to solving the problems of online intelligent management and data value realization throughout the full life cycle of industrial equipment (components), and creates an overall smart IoT solution of proprietary chips + proprietary algorithms + blockchain + cloud. The company's flagship product, the integrated wireless battery online monitoring system, is in a leading position in the lead-acid battery industry. It has currently entered the markets of typical industry customers such as China Tower, China Mobile, State Grid, and Alibaba Data Center, and is highly praised. The strategic goal for the next 3-5 years is to become a global leader in the full life cycle management of lead-acid batteries. The company currently has 100 employees, including more than 30 R&D personnel. Product development functions such as hardware, software, systems, PCB, and structure are fully configured, and it has complete independent development capabilities in chips, terminals, and cloud. Power supply R&D team: the technical director has 10 years of experience in rail transit onboard power supply development; the chief technology officer is a Ph.D. in power electronics from Hunan University. The company has established a strategic cooperative relationship with the doctoral supervisor and doctoral team led by Academician Luo An of the School of Electrical Engineering at Hunan University, providing strong support for the company's products to always maintain a leading technical position. In the power supply field, it has obtained 5 invention patents, 6 utility model patents, and 9 software copyrights. Industrial IoT R&D team: the core leaders all have long-term work experience at top global enterprises. The technical director graduated from Xi'an Jiaotong University with a master's degree and served as a core engineer in Huawei software development for 10 years; the chief chip technology officer graduated from the University of Chinese Academy of Sciences and served as a core engineer in chip development at Huawei HiSilicon and SMIC for 6 years; the chief software technology officer graduated from Stevens Institute of Technology in the United States and served as a software architect at Honeywell for 6 years. In the IoT field, it has obtained 5 invention patents, 7 utility model patents, and 15 software copyrights. The company currently has 5,000 square meters of production and office space. Production and testing equipment such as a Class 100,000 cleanroom, fully automatic SMT placement, fully automatic production and testing lines, motor back-to-back test benches, air-conditioning and battery test benches, high-low temperature alternating humid heat test equipment, spectrum analyzers, vibration test benches, electromagnetic compatibility test benches, and salt spray test benches are fully equipped. It has an annual production capacity of 10,000 sets of power supplies and 5 million intelligent IoT modules. II. Other Benefits 1 Compensation System Ø The compensation system is standardized, with five social insurances and one housing fund, and provides highly competitive basic compensation within the region/industry; Ø Monthly bonuses, sales commissions, project awards, special work bonuses, special contribution bonuses, etc., forming a comprehensive and systematic incentive compensation system; Ø Year-end bonus of 1-3 times monthly salary, and a partner mechanism for core backbones; 2 Food and Accommodation Environment Ø Free working meals are provided. The company has its own cafeteria and hires its own chefs to provide buffet-style meals that are hygienic, nutritious, and delicious. Ø Free accommodation is provided. Employees can choose between a 30-square-meter high-rise apartment dormitory and a residential community dormitory, both equipped with air conditioning and hot water; Ø High-end office space with a floor height of 7 meters, central air conditioning, a coffee bar, and a gym, and a dust-free purification production workshop with central air conditioning; 3 Other Benefits Ø Two days off on weekends, strict implementation of national statutory holidays, protection of annual leave, marriage leave, maternity leave, paternity leave, bereavement leave, and other leave rights, with congratulatory/condolence payments issued; Ø Birthday gift money, cold and heat allowances, water and electricity subsidies, free physical examinations, group travel, team-building activities, etc.