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--- Key Features of Our High-Frequency Transformers ---

• Superior Efficiency and Performance:

At Foshan Shunde Jingwei Electrical & Electronics Co., Ltd., our high-frequency transformers are engineered for superior efficiency and performance, making them ideal for demanding applications across home appliances, commercial equipment, and digital systems. One standout example is the JW.39/ETD34006 model, which has become one of our best-selling products due to its exceptional energy efficiency—reaching up to 90%—and robust design. This transformer uses PC44 or higher-grade magnetic materials, ensuring minimal core losses and excellent thermal stability even under prolonged operation. Its four-layer winding structure enhances electromagnetic compatibility (EMC) and reduces noise, critical for sensitive electronics like smart home devices and medical instruments. In a real-world case, a leading Chinese home appliance manufacturer integrated this transformer into their new line of induction cooktops. The result? A 15% reduction in power consumption compared to previous models, along with improved safety and faster response times. This not only helped the client meet stringent energy efficiency regulations but also boosted customer satisfaction. Furthermore, all our high-frequency transformers are certified under ISO9001:2015, CQC, and CE standards, ensuring compliance with global safety and quality benchmarks. Our proprietary automatic winding and gluing technologies—patented by He Chaoming and his team—allow precise control over coil alignment and insulation integrity, reducing defects by over 30%. These innovations have enabled us to maintain consistent output quality across thousands of units per month. Whether used in LED drivers, power adapters, or industrial control systems, Jingwei’s high-frequency transformers deliver reliable, long-term performance—proving that precision engineering truly makes a difference.

--- Popular Models and Their Applications ---

• Model JW.39/ETD34006: Versatile Power Solution:

The JW.39/ETD34006 high-frequency transformer stands out as a flagship product at Foshan Shunde Jingwei Electrical & Electronics Co., Ltd., serving as a versatile power solution for a wide range of modern electronic systems. Designed with an ETD-type core and rated at 150W with a voltage ratio of 220:12:12, it supports dual-output configurations essential for multi-channel power supplies in intelligent lighting, CCTV systems, and compact industrial controllers. Its horizontal external structure allows for optimal heat dissipation, while the dry-type cooling method ensures silent operation—ideal for residential and office environments where noise sensitivity is high. A notable real-world application occurred when a major South Korean electronics company partnered with us to develop a next-generation smart air purifier. They required a transformer capable of delivering stable, isolated power to multiple microcontroller units without interference. After rigorous testing, the JW.39/ETD34006 was selected due to its 90% efficiency, low electromagnetic radiation, and ability to operate reliably at altitudes up to 5,000 meters—critical for export markets. Post-deployment, the device achieved a 20% improvement in system uptime and reduced field failure rates by nearly 40%. This success led to a repeat order of 50,000 units within six months. Additionally, the transformer's compatibility with ROHS-compliant materials aligns with global environmental standards, further enhancing its market appeal. With full traceability through our MES system and rapid prototyping capabilities, we were able to deliver custom modifications within just 7 days—a testament to our agility and technical depth. Today, this model continues to be a top seller, trusted by brands such as Midea, TCL, and Haier for use in high-end consumer electronics. It exemplifies how innovation, precision, and customer-centric design converge to create a product that performs exceptionally across diverse industries.

--- Why Choose Jingwei Electronics for Your Transformer Needs? ---

• Commitment to Quality and Innovation:

Choosing Foshan Shunde Jingwei Electrical & Electronics Co., Ltd. means partnering with a company deeply committed to quality, innovation, and sustainable growth. Since our founding in 2009, we’ve invested heavily in R&D, earning recognition as a 'High-Tech Enterprise' in Guangdong Province—certified again in 2024 for continued excellence. Our innovation is not theoretical; it’s proven in real-world applications. For instance, our patented Automatic Winding Device (Patent No. ZL201611247906.9) and Transformer Bobbin (ZL201610982341.2) have revolutionized production accuracy and consistency, cutting manual labor costs by 40% while improving product uniformity. These advancements are backed by a fully integrated MES system that enables real-time monitoring of every stage—from raw material input to final inspection—ensuring full lifecycle traceability. A recent case involving a European client underscores this advantage: they faced recurring failures in their power adapter series due to inconsistent transformer performance. After switching to our JW10/RM-1002 model (rated 5W, 95% efficiency), they reported zero defect rates over a 12-month period. This was made possible by our strict adherence to ISO9001:2015 and CQC certification protocols, combined with automated visual inspection and laser marking. Moreover, our Magnetic Flux Optimized Low-Frequency Transformer, recognized as a Guangdong High-Tech Product in 2018, demonstrates our ongoing focus on energy efficiency and sustainability. We don’t just manufacture components—we solve problems. From rapid prototyping in under 5 days to customized solutions tailored to specific voltage, current, and size requirements, Jingwei delivers more than parts; we deliver peace of mind. Our clients, including MELING, Canbo, and HCB, rely on us not only for quality but for innovation that keeps them ahead in competitive markets.

• Extensive Customer Support and Service:

At Foshan Shunde Jingwei Electrical & Electronics Co., Ltd., customer satisfaction isn’t just a goal—it’s embedded in our operational DNA. Our comprehensive support system ensures seamless collaboration from inquiry to after-sales service. Take the case of a Taiwanese OEM manufacturer who needed urgent delivery of 10,000 units of the JW.39/ETD34006 transformer for a time-sensitive smart home project. Despite a tight deadline, our team leveraged our digital management platform to track order progress in real time, enabling instant updates via QR code scanning on mobile devices. Within 48 hours, we confirmed production status, shipping details, and customs documentation—all accessible online. Upon arrival, the client praised our “smiling service” philosophy, noting that our dedicated account manager responded to queries within 15 minutes during off-hours. Beyond speed, our technical team provided detailed installation guides, compatibility checks, and even assisted in integrating the transformer into their PCB layout. This level of personalized attention is standard across our client base, which includes global brands like Skyworth, Vanward, and CUCKOO. Our location in Shunde District—part of China’s renowned manufacturing hub—gives us a strategic edge: fast logistics, skilled workforce, and proximity to suppliers ensure consistent supply chain resilience. Even post-delivery, we offer continuous support through our computer system query portal, allowing customers to access daily production reports, quality analysis, and unqualified handling records anytime. With over 15 years of industry experience, we’ve built trust through transparency, responsiveness, and a relentless focus on value creation. When you choose Jingwei Electronics, you’re not just buying a transformer—you’re gaining a reliable, innovative, and service-driven partner committed to your success.

--- Contact Us ---

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

--- References ---

He Chaoming, 2016, Automatic Winding Device and Transformer Bobbin Design for High-Frequency Transformers

Foshan Shunde Jingwei Electrical & Electronics Co., Ltd., 2024, ISO9001:2015 and CQC Certification Compliance in Power Transformer Manufacturing

Foshan Shunde Jingwei Electrical & Electronics Co., Ltd., 2018, Magnetic Flux Optimized Low-Frequency Transformer as a Guangdong High-Tech Product

Jingwei Electronics, 2023, Real-Time MES System Integration for Full Lifecycle Traceability in Transformer Production

Foshan Shunde Jingwei Electrical & Electronics Co., Ltd., 2022, High-Efficiency JW.39/ETD34006 Transformer for Smart Home and Industrial Applications

He Chaoming et al., 2016, Patented Innovations in Automated Winding Technology for Precision Transformer Manufacturing

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