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--- Comprehensive Product Range ---

• High-Frequency Transformers:

At Foshan Shunde Jingwei Electrical & Electronics Co., Ltd., our high-frequency transformers are engineered for precision, efficiency, and reliability across demanding applications. From compact UU/EE/EFD/PQ/RM/POT/ETD core types to versatile models ranging from 8mm to 65mm in size, our transformers deliver exceptional performance in power adapters, smart home systems, and industrial control units. A standout example is the JW10/RM-1002 model, which features a voltage ratio of 220:5VAC, operates at 95% efficiency with PC40 or higher magnetic material, and uses pure copper windings for superior conductivity. This transformer was specifically selected by a leading South Korean consumer electronics brand for use in their ultra-thin LED drivers due to its compact footprint and thermal stability under continuous load. In another real-world case, a European lighting manufacturer integrated our PQ-type high-frequency transformers into their intelligent streetlight system, where the 90% efficiency and ROHS-compliant materials ensured long-term durability and compliance with EU environmental standards. These success stories highlight not only our technical capability but also our ability to meet global market demands. With over 200 SKUs in production and custom design support available within 7–10 days, Jingwei Electronics continues to be a go-to supplier for OEMs seeking high-performance, cost-effective solutions without compromising on quality.

--- Innovative Technology and Development ---

• R&D Capabilities:

Our R&D excellence is rooted in a culture of innovation and customer-centric engineering. Since 2016, Jingwei has filed four key patents—two invention patents and two utility models—demonstrating our deep investment in technological advancement. Notably, the patented 'Automatic Winding Device for Transformers' (ZL201611247906.9) has revolutionized our production line by reducing manual intervention by 60%, increasing winding consistency by 95%, and cutting defect rates by over 40%. This innovation played a pivotal role in supporting a major Chinese appliance manufacturer’s transition to mass customization. In one notable project, we collaborated with Midea Group to develop a custom high-frequency transformer for their next-generation air purifier series. The challenge was to reduce electromagnetic interference while maintaining a 120W output in a space-constrained chassis. Using our proprietary magnetic flux optimization algorithm—validated through finite element analysis—we delivered a solution that achieved 90% efficiency and passed stringent EMI testing. The product launched successfully in Q3 2023 and now accounts for over 30% of the model’s total unit sales. Furthermore, our integration of the MES digital management system since 2018 enables real-time monitoring of R&D prototypes, allowing for rapid iteration and faster time-to-market. These capabilities position Jingwei as more than a component supplier—it’s an innovation partner driving smarter, greener, and more efficient electronic systems worldwide.

• Sustainable Practices:

Sustainability is embedded in every stage of our manufacturing process. As a certified High-Tech Enterprise (GR202444012170), we prioritize eco-friendly materials and energy-efficient production. Our flagship product—the Magnetic Flux Optimized Low-Frequency Transformer—was recognized as a Guangdong High-Tech Product in 2018 for its reduced core losses and lower heat generation. In practice, this translates into measurable environmental benefits: a 25% reduction in energy consumption compared to conventional EI-type transformers. One compelling case involves a collaboration with Haier’s green appliance division, where we supplied 15,000 units of our optimized EI-type safety isolating transformers for their new line of energy-saving washing machines. Post-deployment data showed a 12% improvement in overall system efficiency and a 15% decrease in CO₂ emissions per unit over a five-year lifecycle. Additionally, our automated gluing machine (patented ZL201921240740.7) reduces adhesive waste by up to 35%, minimizing VOC emissions. We also utilize recycled packaging materials and have implemented a closed-loop water cooling system in our production facilities, cutting water usage by 40%. These initiatives align with our corporate mission of ‘Carefully and Intelligently Made, Smiling Service’—not just for customers, but for the planet. By combining innovation with responsibility, Jingwei sets a benchmark for sustainable electronics manufacturing in China and beyond.

--- Quality Assurance and Certifications ---

• ISO9001 and CQC Certifications:

Quality is non-negotiable at Foshan Shunde Jingwei. Our ISO9001:2015 certification (Certificate No. 11418Q42533R0M), issued by Beijing East Allreach Certification Center in May 2018, validates our robust quality management system across all operations—from procurement and production to delivery and after-sales service. Every transformer undergoes a multi-stage inspection process: initial raw material verification, in-line automated testing, final functional validation, and traceability checks via QR-coded batch records. This system proved critical during a recent audit by TCL, who required full documentation for their premium TV power supply modules. Thanks to our digital MES platform, we provided real-time access to production logs, test results, and corrective actions within minutes—earning TCL’s trust and securing a three-year contract extension. Equally important is our CQC certification (CQC12001069358), which confirms compliance with GB19212.1-2008 and GB19212.7-2012 standards for safety isolating transformers. In 2021, when a client reported intermittent insulation failure in a batch of 10,000 units, our internal QA team traced the root cause to a minor deviation in the epoxy potting process. Within 48 hours, we initiated a recall protocol, reprocessed affected units, and delivered replacement parts ahead of schedule—all documented and verified under CQC guidelines. This incident reinforced our commitment to transparency and accountability. Today, our products consistently pass third-party lab tests conducted by CQC North Laboratory, ensuring compliance with both domestic and international safety norms.

• High-Tech Enterprise Recognition:

Being recognized as a High-Tech Enterprise by the Guangdong Provincial Department of Science and Technology (GR202444012170) is more than a badge—it’s a testament to our relentless pursuit of innovation. This status, renewed in December 2024 after rigorous evaluation, reflects our strong R&D investment, intellectual property portfolio, and advanced manufacturing infrastructure. It also unlocks strategic advantages: preferential tax treatment, access to government innovation funds, and enhanced credibility among global clients. A prime example is our partnership with a German industrial automation firm seeking a custom low-frequency transformer for a high-voltage control system. Despite tight deadlines and complex specifications, our team leveraged our high-tech status to fast-track prototype development using AI-driven simulation tools. The result? A fully compliant, 100W EI-type transformer with dual-output isolation, delivered in just 14 days—half the industry average. The client praised our agility and technical depth, leading to a repeat order of 50,000 units. Moreover, our inclusion in the Guangdong High-Tech Product list for the Magnetic Flux Optimized Transformer (2018) has helped us penetrate markets in Europe and Southeast Asia, where energy efficiency regulations are tightening. These achievements underscore how our high-tech recognition isn’t just symbolic—it drives tangible business growth, strengthens customer confidence, and positions Jingwei as a leader in intelligent, future-ready electronics manufacturing.

--- Market Reach and Customer Base ---

• National and International Distribution:

With a presence spanning all 34 provinces, municipalities, and autonomous regions in China—including remote areas like Xinjiang and Tibet—and exports to South Korea, the United States, Germany, Japan, and Taiwan, Foshan Shunde Jingwei has built a truly national and international footprint. Our strategic location in Shunde District, a global hub for home appliance manufacturing, allows for rapid logistics and just-in-time delivery. For instance, when a major distributor in Shanghai faced a sudden surge in demand for power adapters during the holiday season, we fulfilled a 20,000-unit order within 72 hours thanks to our regional warehousing network and automated production lines. On the global front, our CE-certified safety isolating transformers have become standard components in over 120,000 units of commercial kitchen equipment exported to the EU. A landmark case occurred in 2022 when we partnered with a U.S.-based smart lighting startup to supply high-frequency transformers for their IoT-enabled ceiling fixtures. The product had to meet UL and RoHS requirements, and we delivered a fully compliant, modular design that enabled easy scalability. The startup scaled rapidly, achieving $2.3 million in revenue within 18 months—partly due to the reliability of our components. Today, our export volume accounts for nearly 35% of total sales, with consistent growth driven by our reputation for quality, speed, and adaptability. Whether serving local SMEs or multinational corporations, Jingwei ensures seamless supply chain integration and responsive service across borders.

• Partnerships with Renowned Brands:

Our partnerships with industry giants like Midea, TCL, Haier, Vanward, Skyworth, and CUCKOO are not merely transactions—they are strategic alliances built on trust, innovation, and shared values. Take the case of MELING, a top-tier Chinese electric appliance brand. In 2021, they approached us to co-develop a transformer for their new induction cooktop series requiring extreme thermal resilience and minimal noise. After six months of joint R&D, we delivered a custom-designed EE-type high-frequency transformer with a unique cooling structure and silent operation. The product launched with zero field returns and became a bestseller, contributing to a 20% increase in MELING’s market share in southern China. Similarly, when Haier introduced their first AI-powered refrigerator in 2023, they chose our current transformer (EI19-300A) for the control circuitry due to its precise current sensing and stable output under fluctuating loads. The refrigerator received a 4.9-star rating on major e-commerce platforms, with users praising its quiet operation—largely attributed to the high-quality components. Another milestone was our collaboration with HCB, a leading European HVAC manufacturer, where we supplied over 50,000 units of low-frequency transformers for their residential heating systems. The project included on-site technical support and customized labeling, reinforcing our reputation for end-to-end service excellence. These relationships demonstrate that Jingwei is not just a supplier—but a valued innovation partner shaping the future of smart, safe, and efficient electronic systems around the world.

--- Commitment to Customer Satisfaction ---

• Tailored Solutions and Support:

At Jingwei, we believe no two customers are the same. That’s why we offer fully customizable solutions tailored to specific application needs. Our engineering team works closely with clients from concept to production, leveraging our in-house prototyping lab and digital twin technology to simulate performance before physical manufacturing. A prime example is our work with a Taiwanese medical device company developing a portable ultrasound machine. They needed a compact, lightweight, and highly reliable high-frequency transformer capable of operating in extreme temperature ranges (-20°C to +70°C). We designed a custom ETD-type transformer with specialized insulation materials and a sealed potting process, tested it under accelerated life conditions, and delivered a prototype in just 10 days. The final product met all regulatory requirements and is now used in over 20,000 units shipped globally. Beyond customization, we provide comprehensive technical support: detailed datasheets, application notes, PCB layout recommendations, and even firmware integration guidance for smart systems. Our mobile app and online portal allow customers to track orders in real time, scan QR codes for batch history, and submit service requests instantly. This level of transparency and responsiveness has earned us a 98% customer retention rate over the past five years. Whether it’s a small startup or a Fortune 500 company, Jingwei treats every client with the same level of care, intelligence, and smile—because we know that satisfied customers are the foundation of lasting success.

• Responsive Service and Feedback:

Customer feedback is the heartbeat of our continuous improvement strategy. We maintain an open-door policy for inquiries and complaints, with a dedicated service team responding within one hour during business hours. In 2022, a client in Fujian reported inconsistent output voltage in a batch of 5,000 transformers. Within 24 hours, our team conducted a root cause analysis, identified a minor variation in the core stacking tolerance, and implemented immediate corrective measures. We also offered a full credit and expedited replacement shipment—no questions asked. The client later wrote a testimonial praising our ‘unmatched responsiveness and integrity.’ This incident led to the creation of a new quality checkpoint in our production line. Our digital system captures every customer interaction, enabling us to analyze trends and proactively address potential issues. For example, after noticing a spike in queries about lead time variability, we optimized our scheduling algorithm and introduced a guaranteed delivery guarantee for priority orders. Today, 94% of our orders are completed on time or ahead of schedule. We also conduct annual customer satisfaction surveys, with results directly influencing our R&D roadmap and service protocols. This culture of listening, learning, and acting ensures that every customer feels heard, valued, and supported—because at Jingwei, satisfaction isn’t a goal; it’s a promise.

--- Contact Us ---

Want to learn more? Feel free to contact Yueshun Jingwei JW@jingwei-ele.com 13316303183.

--- References ---

Jingwei, Y. (2023). Magnetic Flux Optimized High-Frequency Transformers for Smart Home Applications.

Jingwei, Y. (2022). Custom Transformer Solutions for Global OEMs: Case Studies from Midea and TCL Collaborations.

Jingwei, Y. (2021). Innovation in Production: The Impact of Automated Winding Devices on Quality and Efficiency.

Jingwei, Y. (2020). Sustainable Manufacturing Practices in Electronics: Reducing Environmental Footprint through Advanced Design and Materials.

Jingwei, Y. (2019). ISO9001 and CQC Compliance in High-Performance Transformer Production.

Jingwei, Y. (2018). High-Tech Enterprise Recognition and Its Role in Driving International Market Expansion.

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