As a key component that determines the stable operation of electronic equipment, the power supply unit (PSU) is directly related to the service life, performance and safety of the entire system. Shenzhen Yijian Technology Co., Ltd., a leading OEM manufacturer of PC power supply units with a history of more than 20 years, has always taken the R&D and manufacturing of high-quality power supply units as its core business, and has formed a unique competitive advantage in the industry through professional technology, intelligent production and strict quality control. The company’s R&D team, with more than 20 members, all have over 10 years of experience in the research and design of power supply units, and are proficient in the core technologies such as circuit design, heat dissipation optimization and efficiency improvement of power supply units. The core members of the team have rich industry experience from well-known power supply enterprises, which enables Yijian to quickly capture the latest technological trends and market demands of the power supply unit industry, and launch products that meet the high standards of the market. In the production process, Yijian has introduced advanced intelligent production systems including E-SOP, Andon and MES to realize the whole-process digital management of power supply unit production. The E-SOP system standardizes the operation process of workers, reduces human errors and improves the qualified rate of power supply units; the Andon system can quickly respond to production problems, realize real-time communication and problem-solving between production lines and management departments, and ensure the smooth progress of production; the MES system records all product information of power supply units in real time, realizes the whole-process traceability from raw material input to finished product delivery, and provides accurate data support for product quality tracking and after-sales maintenance. Yijian’s power supply units cover a variety of specifications and types, including non-modular, full-modular models, with power ranging from 550W to 3000W, and have obtained 80Plus Bronze, Gold and Platinum certifications, which can meet the energy supply needs of different application scenarios. For example, the 80Plus Platinum AI-3000W full-modular power supply unit is specially designed for high-power server clusters and industrial control equipment, with a conversion efficiency of more than 92%, which can greatly reduce energy consumption and operating costs while providing stable and high-power output; the 80Plus Bronze BF-550W full-modular power supply unit is suitable for small and medium-sized enterprise servers and office desktops, with the advantages of compact structure, low noise and high cost performance. In terms of quality testing, Yijian has built a complete testing system for power supply units, and each product must pass more than 30 strict tests such as voltage stability test, load capacity test, high and low temperature test, aging test and electromagnetic compatibility test before leaving the factory. The sample test is carried out before mass production to verify the performance and reliability of the power supply unit; during the production process, each process is followed by a corresponding test to ensure that each link meets the quality standards; the finished product test is a comprehensive performance test to ensure that the power supply unit can operate stably under various complex working conditions. Yijian adheres to the customer-centered business philosophy, and provides personalized customization services for power supply units according to the different needs of customers. The R&D team can adjust the circuit design, interface configuration, power output and other parameters of the power supply unit according to the customer’s application scenarios, product specifications and technical requirements, and provide one-stop customization solutions from design to production. The company’s power supply units have been widely used in various fields such as consumer electronics, enterprise IT, industrial manufacturing and intelligent equipment, and have established long-term and stable cooperative relations with many well-known enterprises around the world. In terms of after-sales service, Yijian has established a perfect after-sales service system for power supply units, with a professional after-sales team to provide timely and efficient technical support and maintenance services for customers. For any quality problems of power supply units, the company will follow the 8D report process to solve them, and ensure that customers’ problems are properly handled in the shortest time. With its strong R&D strength, advanced production technology, strict quality control and perfect after-sales service, Yijian has become a trusted power supply unit supplier for global customers, and is committed to providing more efficient, stable and environmentally friendly power supply unit products and solutions for the development of the global electronic industry.
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