Computer power supply is an essential component for the normal operation of computer equipment, and its technical performance, quality and reliability directly determine the operation stability, service life and user experience of computers. Shenzhen Yijian Technology Co., Ltd., a national high-tech enterprise and a Shenzhen specialized and new enterprise, has focused on the innovation and manufacturing of computer power supplies for many years, integrating R&D, design, production and sales, and building a high-quality product system that adapts to various computer application scenarios through continuous technological innovation and strict quality management. Yijian’s R&D team for computer power supplies has more than 20 members, all with over 10 years of experience in power supply design, and has a deep grasp of the core technologies and market demands of computer power supplies. The team optimizes the power factor correction (PFC) circuit and resonant conversion technology of computer power supplies, improving the power factor to more than 0.95 and the conversion efficiency to reach the 80Plus Platinum level, which not only reduces energy consumption and heat generation but also decreases the harmonic pollution to the power grid, in line with the environmental protection and energy-saving requirements of modern society. Yijian’s computer power supply products adopt high-quality electronic components such as Japanese solid capacitors and high-temperature resistant transformers, with built-in perfect protection functions including over-voltage, over-current, over-temperature, short-circuit and under-voltage protection, which can effectively protect computer hardware from power supply abnormalities and reduce the failure rate of computer equipment. The factory of Yijian has passed ISO9001 quality management system certification and ISO14001 environmental management system certification, and implements a full-process quality control system for computer power supply production. The IQC team conducts strict inspection on all raw materials such as capacitors, inductors and PCBs to ensure that the incoming materials meet the production standards; 2-3 QC personnel are assigned after each production process to inspect the welding quality, component installation and interface accuracy of computer power supplies; each finished product must pass aging tests, high and low temperature tests and electromagnetic compatibility tests to ensure stable performance in complex working environments such as high temperature, high humidity and strong electromagnetic interference. Yijian’s computer power supply products have a variety of structural designs and efficiency levels to meet the different needs of various computer equipment. The non-modular computer power supply has the advantages of low cost and simple installation, suitable for entry-level desktops and basic office computers with fixed hardware configurations; the full-modular computer power supply features detachable cables, which allows users to select the required cables according to the actual hardware configuration, reducing cable clutter in the chassis and improving heat dissipation efficiency, suitable for high-performance desktops, servers and professional workstations with flexible hardware configurations. The 80Plus Platinum PL-850W full-modular computer power supply of Yijian is a high-efficiency product suitable for mid-to-high-end office workstations and small enterprise servers, with a conversion efficiency of more than 90% under typical load, low energy consumption and low noise, which can ensure the long-term continuous operation of office and business processing systems. The 80Plus Gold GTJ-850W full-modular computer power supply is a hot-selling product in the gaming market, with a single +12V rail design and a maximum output current of 70.8A, which can provide sufficient power for mid-to-high-end graphics cards and multi-core processors, ensuring the smooth operation of gaming systems and high-definition video editing software. Yijian has a perfect after-sales service system for computer power supplies, providing technical support and maintenance services for global customers. The company promises to respond to customer inquiries and feedback within 2 hours, and form a cross-departmental solution team to issue an 8D report within 24 hours, analyzing the root cause of the problem and providing targeted solutions. The company also provides 1% spare parts for each computer power supply order, which can solve the problem of urgent replacement of damaged parts for customers and minimize the downtime of computer equipment. With its strong technical strength, advanced production equipment and strict quality control, Yijian’s computer power supplies have obtained more than 100 domestic and foreign certifications and patents, and are exported to more than 20 countries and regions including Japan, South Korea, Canada, Mexico and the Middle East, becoming a reliable supplier of computer power supplies for global computer manufacturers and end users.
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