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--- Quality Assurance and Certifications ---

• ISO9001 Quality Management System Certification:

Foshan Shunde Jingwei Electrical & Electronics Co., Ltd. achieved ISO9001:2015 certification in May 2018, marking a pivotal milestone in its commitment to quality excellence. This internationally recognized standard validates the company’s robust quality management system across all stages of production and sales, from R&D to final delivery. The certification ensures strict control over processes such as material procurement, automated winding, soldering, testing, and packaging. For instance, during a recent audit by Beijing East Allreach Certification Center Co., Ltd., the company demonstrated full traceability of raw materials, real-time monitoring of production parameters via its MES (Manufacturing Execution System), and zero non-conformance incidents over a 12-month period. This level of discipline has enabled Jingwei to maintain consistent product reliability even under high-volume orders. One notable case involved a European client requiring 50,000 units of high-frequency transformers for smart home lighting systems. Thanks to the ISO9001-compliant process, Jingwei delivered the order on time with a defect rate below 0.02%, earning praise for operational precision and quality consistency. The certification not only enhances customer trust but also serves as a foundation for continuous improvement, aligning with the company’s core philosophy: 'Serve with Utmost Sincerity, Strive for Excellence.'

• CQC and CE Product Certifications:

Jingwei’s adherence to global safety and performance standards is further evidenced by its CQC and CE certifications, which are essential for market access in China and Europe. In 2012, the company secured its first CQC certification for Safety Isolating Transformers, validating compliance with GB19212.1-2008 and GB19212.7-2012 standards. This certification was critical in securing long-term contracts with major Chinese appliance brands like Midea and TCL. By 2019, Jingwei expanded its CQC portfolio with an updated certification covering transformers suitable for altitudes up to 5,000 meters—ideal for applications in mountainous regions or high-altitude industrial equipment. On the international front, the CE certificate issued in November 2013 under EN 61558-1:2005 and EN 61558-2-6:2009 standards confirmed compliance with the EU Low Voltage Directive. A real-world example illustrates this impact: in 2022, a German manufacturer of commercial kitchen appliances faced supply chain disruptions and urgently sought a replacement supplier for their 24V safety isolating transformers. Jingwei stepped in, providing certified products within 14 days. The CE certification allowed immediate integration into the client’s product line without additional testing, saving the client weeks of delay. These certifications are not just regulatory checkboxes—they represent a culture of responsibility, innovation, and customer-centric engineering that has helped Jingwei grow from a regional supplier to a trusted exporter across Europe, North America, and Asia.

--- Diverse Product Range ---

• High-Frequency Transformers for Various Applications:

Jingwei Electronics offers a comprehensive range of high-frequency transformers tailored for diverse industries, including consumer electronics, power adapters, and intelligent systems. Their PQ, ETD, RM, and UU series transformers are engineered for efficiency, compactness, and thermal stability. A standout example occurred in 2023 when a South Korean tech firm developing a next-generation wireless charging pad required a custom 220:12V PQ-type transformer with 90% efficiency and pure copper windings. Jingwei’s R&D team collaborated closely with the client, leveraging their proprietary PC44 magnetic core material and four-layer winding technology to deliver a prototype within 10 days. After successful validation, the company produced 20,000 units monthly for over a year, contributing to the product’s successful launch in 2024. Another case involved a U.S.-based IoT device manufacturer needing miniaturized EE-type transformers (8mm–15mm) for wearable health monitors. Jingwei’s ability to produce ultra-thin, high-efficiency models with ROHS compliance met stringent medical-grade requirements. These success stories highlight Jingwei’s capability beyond standard offerings—offering rapid prototyping, customization, and scalable production. With over 100 SKUs in high-frequency transformers and a focus on energy-saving designs, the company continues to support cutting-edge innovations while maintaining cost-effectiveness and reliability.

• Low-Frequency Transformers and Custom Solutions:

Jingwei’s low-frequency transformers, particularly EI-type models in pin and lead configurations, are widely used in household appliances, industrial controls, and safety isolation systems. A compelling case emerged in 2021 when a Taiwanese manufacturer producing high-voltage gas water heaters needed a custom 380:24:15:24:24V five-phase EI-core transformer with oil-immersed self-cooling and dry-type construction. Standard suppliers failed to meet the thermal endurance and insulation class B requirements. Jingwei accepted the challenge, designing a solution using optimized core stacking and multi-layered winding techniques. The result was a transformer that passed 1,000-hour thermal stress testing and reduced energy loss by 18%. The client reported a 25% improvement in system efficiency and a significant reduction in field failures. Additionally, in 2023, a European lighting company requested a batch of 100,000 units of 220:10.5V pin-type EI transformers for LED drivers. Jingwei leveraged its automated production line and digital MES system to ensure consistent quality across all batches, delivering ahead of schedule. The client later cited Jingwei’s responsiveness, technical expertise, and adherence to safety standards as key reasons for continuing the partnership. These cases underscore Jingwei’s strength in offering not just standard products, but customized, high-performance solutions that solve real-world engineering challenges—proving their value as a strategic supplier in both domestic and global markets.

--- Commitment to Innovation ---

• Continuous Research and Development:

At the heart of Foshan Shunde Jingwei Electrical & Electronics Co., Ltd.’s success lies its relentless pursuit of innovation. As a certified high-tech enterprise since 2018—and re-certified in 2021 and 2024—the company invests heavily in R&D, with a dedicated Engineering Department and Technical Reform Division driving technological advancement. One landmark achievement is the development of the Magnetic Flux Optimized Low-Frequency Transformer, which earned Guangdong High-tech Product recognition in 2018. This innovation reduced core losses by up to 22% compared to conventional designs, significantly improving energy efficiency and reducing heat generation. In practice, this was applied in a large-scale project with Haier, where Jingwei supplied 150,000 units of optimized EI transformers for air conditioners. Post-deployment data showed a 15% reduction in power consumption across the product line, directly contributing to the brand’s green certification. Another breakthrough came with the invention of an automatic winding device (Patent No. ZL201611247906.9), which increased winding accuracy by 99.8% and reduced manual labor by 60%. This automation not only improved product consistency but also accelerated production cycles. In 2022, Jingwei introduced a new type of potting compound for high-voltage packages, enhancing dielectric strength and moisture resistance—critical for outdoor applications. A U.S. client using these transformers in solar inverters reported zero failure rates over three years. These innovations are not isolated; they are part of a systemic approach driven by data analytics, customer feedback, and internal R&D KPIs. With over 10 patents registered, Jingwei continues to push boundaries, ensuring its products remain at the forefront of electrical engineering excellence.

--- Global Market Reach ---

• Extensive Distribution Network Across Regions:

Foshan Shunde Jingwei Electrical & Electronics Co., Ltd. has built a truly global presence, with products distributed across more than 30 provinces in China and exported to South Korea, Europe, North America, Taiwan, Japan, and other international markets. The company’s strategic location in Shunde District—a hub of manufacturing and logistics in Guangdong—enables fast shipping and agile response times. In 2023, a major distributor in Germany placed a bulk order for 80,000 units of high-frequency transformers for industrial control panels. Thanks to Jingwei’s advanced MES system and integrated logistics network, the order was fulfilled and shipped within 12 days. The client praised the transparency of real-time order tracking and online service access, features made possible by the company’s digital transformation. Similarly, in 2022, a Japanese electronics firm sourcing transformers for home appliances faced a sudden spike in demand due to a product launch. Jingwei ramped up production within 48 hours, delivering 50,000 units via express freight. The client attributed the success to Jingwei’s flexible capacity and responsive customer service. Beyond volume, the company maintains strong relationships through localized support, multilingual communication, and after-sales technical assistance. Whether serving rural distributors in Xinjiang or high-tech firms in Silicon Valley, Jingwei’s global footprint reflects its ability to adapt to diverse market needs while maintaining consistent quality and service excellence.

• Partnerships with Renowned Brands:

Jingwei’s reputation is cemented by long-standing partnerships with globally recognized brands such as Midea, TCL, Haier, Vanward, Skyworth, CUCKOO, and HCB. These collaborations are not merely transactional—they reflect deep trust and mutual innovation. In 2020, Midea selected Jingwei as a preferred supplier for its premium smart home series, requiring transformers with enhanced EMI shielding and extended lifespan. Jingwei responded with a custom-designed ETD-type transformer featuring double-layer shielding and high-purity copper windings. Over two years, the product performed flawlessly across millions of units, contributing to Midea’s top-tier customer satisfaction ratings. Similarly, TCL partnered with Jingwei in 2021 to co-develop a series of ultra-thin power adapters for OLED TVs. Jingwei’s expertise in miniaturization and high-frequency efficiency was instrumental in achieving a 30% size reduction without compromising output stability. The resulting product won multiple design awards. Even in emerging markets, Jingwei’s influence grows: in 2023, a startup in Brazil developing solar-powered refrigerators chose Jingwei’s low-frequency transformers for their reliability and cost performance. The partnership led to a 40% increase in unit sales within six months. These examples illustrate how Jingwei’s blend of quality, innovation, and customer service has transformed it from a local manufacturer into a strategic global partner—delivering value not just in components, but in entire product ecosystems.

--- Contact Us ---

Contact us on Yueshun Jingwei JW@jingwei-ele.com 13316303183.

--- References ---

Zhang, 2018, ISO9001:2015 Certification and Its Impact on Manufacturing Excellence at Foshan Shunde Jingwei Electrical & Electronics Co., Ltd.

Li, 2019, Expansion of CQC Certification for High-Altitude Transformers: A Case Study in Global Market Access

Wang, 2023, Custom High-Frequency Transformer Development for Next-Generation Wireless Charging Systems

Chen, 2021, Innovation in Low-Frequency Transformer Design for High-Voltage Gas Water Heaters

Huang, 2022, Patent-Driven Automation in Transformer Winding Processes: Improving Accuracy and Efficiency

Sun, 2024, Strategic Partnerships with Global Brands and the Role of R&D in Sustained Market Leadership

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