The power supply unit (PSU) is a key component that connects the mains and electronic equipment, and its main function is to convert the alternating current with unstable voltage into a stable direct current with fixed voltage and current to supply power for various components of the equipment. The performance and reliability of the power supply unit directly affect the operation stability, service life and safety of the entire electronic equipment system. Shenzhen Yijian Technology Co., Ltd., a professional OEM manufacturer of PC power supply units with more than 20 years of experience, has been committed to the R&D and manufacturing of high-quality power supply units, and has formed a complete industrial chain from R&D, design, production to sales and after-sales service, and has become a trusted power supply unit supplier for global customers. Yijian has a strong R&D team for power supply units, with more than 20 members, all of whom have more than 10 years of professional experience in the power supply industry. The core members of the team come from well-known domestic and foreign power supply enterprises, and have rich experience in circuit design, performance optimization, quality control and other aspects of power supply units. The R&D team closely follows the latest technological trends and market demands of the power supply unit industry, and continuously carries out technological innovation and product upgrading, and has obtained more than 100 patents and certificates at home and abroad, including more than 20 appearance design patents, which provides strong technical support for the company’s power supply unit products to maintain market competitiveness. The company has built a large-scale production base of 20,000 square meters for power supply units, equipped with 5 advanced automatic production lines and a variety of professional production and testing equipment, with more than 500 skilled production workers and quality inspectors, realizing the large-scale and standardized production of power supply units, with a monthly production capacity of 300,000 pieces. Yijian has introduced advanced intelligent production management systems such as E-SOP, Andon and MES into the production process, which realizes the digitalization and intelligence of the entire production process of power supply units. The E-SOP system provides workers with standardized operation guidelines, reduces human errors and improves the production efficiency and product qualification rate; the Andon system can quickly detect and alarm production problems, and realize real-time communication and collaborative processing between production lines, maintenance personnel and management departments, ensuring the smooth progress of production; the MES system records all production data and product information of power supply units in real time, which can track the production process, quality inspection results and after-sales maintenance information of each product, and provide accurate data support for enterprise production management and product quality improvement. All power supply units produced by Yijian have passed strict quality testing and obtained a number of international authoritative certifications, including UL, EAC, FCC, CE, CCC, RoHS, TUV, 3C, CB, KC, CSA, C-TICK and so on, which ensures that the products meet the technical standards, safety requirements and environmental protection standards of different countries and regions, and can be sold and used in the global market. The company’s power supply units cover a variety of application scenarios, including gaming, server, industrial, office and other fields, with a variety of types such as non-modular and full-modular, and the power covers 550W, 850W, 1000W, 1300W, 3000W and other specifications, and has obtained 80Plus Bronze, Gold and Platinum efficiency certifications, which can meet the diverse energy supply needs of different customers. Taking the server power supply unit as an example, the 80Plus Bronze BF-550W full-modular PSU launched by Yijian has the advantages of high reliability, low noise, stable performance and strong anti-interference ability, which can meet the 24-hour continuous and stable operation needs of enterprise servers, and effectively reduce the failure rate of the server system and the maintenance cost of enterprises; the product adopts full-modular wiring design, which is convenient for enterprise IT maintenance personnel to install, debug and maintain, and improves the maintenance efficiency of the server system. For the gaming power supply unit, the 80Plus Gold GT-1000W non-modular PSU has the advantages of high conversion efficiency, stable voltage output, strong load capacity and good heat dissipation performance, which can meet the high-power energy demand of high-end gaming hardware such as high-performance graphics cards and multi-core processors, and ensure the smooth operation of the gaming system under long-term high-load conditions. In terms of quality control, Yijian has established a strict and comprehensive quality control system for power supply units, with a ubiquitous QC team to carry out strict inspection and control of each link from raw material procurement to finished product delivery. Before production, the IQC team conducts strict quality inspection on all incoming raw materials and components, including appearance inspection, performance testing and material analysis, to ensure that the incoming materials meet the production standards; during production, each process is inspected by special QC personnel, who conduct random inspection and full inspection of the semi-finished products to find and eliminate quality problems in a timely manner; after the production is completed, each power supply unit must pass more than 30 strict tests, including electrical performance test, environmental adaptability test, safety performance test, aging test and electromagnetic compatibility test, to ensure that the product quality is reliable and stable. Yijian has a perfect after-sales service system for power supply units, and is committed to providing customers with efficient, professional and thoughtful after-sales support. The company promises to provide 1% spare parts for each order of power supply units, which can solve the problem of urgent replacement of damaged parts for customers in a timely manner; after receiving customer feedback and complaints about power supply units, the sales team will respond within 2 hours, and all relevant departments will jointly formulate a detailed 8D report within 24 hours, and provide a targeted and feasible solution according to the actual problems of the product, ensuring that customers’ problems are solved in a timely and effective manner. In addition, the company also provides long-term technical support and product maintenance services for customers, and regularly tracks the use of power supply units to help customers optimize the use effect and extend the service life of the product. Yijian’s power supply units have been widely recognized and praised by global customers for their excellent quality, stable performance, diverse specifications and perfect after-sales service. The products are exported to more than 20 countries and regions including the United States, Europe, Japan, South Korea, Canada, Russia, Brazil, Mexico, the Middle East and Southeast Asia, and have established long-term and stable cooperative relations with many well-known enterprises, distributors and agents around the world. The company will continue to adhere to the development concept of "adhering to quality, advocating innovation and win-win cooperation", and continue to increase R&D investment, accelerate technological innovation and product upgrading, and strive to provide more high-quality, efficient, stable and environmentally friendly power supply unit products and solutions for the global electronic equipment industry, and create greater value for customers and the society.
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