Wenzhou Longqi New Energy Co., Ltd. (CNLONQ) is a high-tech enterprise integrating industry and trade, specializing in the R&D, manufacturing, and sales of photovoltaic new energy protection system products..

Since 2010, the company has dedicated itself to the field of photovoltaic electrical protection. Through independent R&D and production of core products including PV combiner boxes, circuit breakers, disconnect switches, surge protectors, fuses, adjustable over/under-voltage protectors, transfer switches, and solar connectors, we have established a comprehensive product line for both DC and AC protection systems.

Our products hold multiple certifications including CE, TÜV, UL, CB, UKCA, RoHS, ISO, IP65, IP66, and IP67, and comply with international GB/IEC/UL standards.

CNL's production workshop spans over 5000m²+, serving as a modern manufacturing facility centered on the core principles of automation, specialization, and streamlined processes. Through precise capacity planning, the workshop integrates 13 highly specialized production lines into an organic whole, achieving full process coverage from combiner boxes (5 lines), MCB/MCCB (3 lines), disconnect switches (2 lines), to various protection units (1 line each for SPD, PV connectors, and OUPA).

At critical process stages, five semi-automatic wire crimping machines ensure flawless electrical connections, while seven precision injection molding machines achieve integrated molding of core structural components, controlling quality at the source.

An independent quality inspection line equipped with six specialized testing devices forms our “zero-defect” management system, conducting comprehensive performance and safety verification on every product.

Quality is our belief, and data is the cornerstone of that belief. Our 100% Inspection Commitment: All products undergo 100% factory quality inspection without exception.

Precision Testing: We have established an independent quality inspection unit equipped with 6 advanced precision testing devices to comprehensively verify the electrical performance, mechanical lifespan, safety specifications, and protection ratings (IP65/IP66/IP67) of our products.

International Certifications: Our products fully comply with international standards and have passed major global certifications such as CE, TUV, CB, UKCA, RoHS, and ISO. This is not only a passport to the world but also an absolute quality commitment to you.

Your Orders, Our Rapid Response: Robust Warehousing and Logistics Support - 3500m²+ Warehouse Area Our modern warehouse, exceeding 3500m², operates like a precisely functioning engine, driven by our ERP system.

Visible Inventory for You: Interconnected systems ensure that the inventory we display is real-time and reliable, reflecting available stock. Fast Delivery for You: Efficient digital picking and packing processes mean your orders can be processed immediately, increasing delivery speed by over 50%. A Commitment to Trust for You: You can temporarily store your goods in our warehouse. We aim to be your reliable "external warehouse," significantly reducing your warehousing capital pressure and waiting risks.

Choosing us means choosing efficiency, accuracy, and peace of mind.

We offer 24/7 technical support and after-sales service, with over 600 square meters of office and sample display space. We sincerely invite you to visit us, touch our products, verify their performance, and communicate face-to-face. Let us allow you to fully experience our quality and professionalism before cooperating, ensuring that every step you take is reliable and secure.

24-Hour After-Sales Service: We provide comprehensive after-sales support. When you encounter urgent problems, our team can respond quickly, providing remote guidance and solutions to minimize the impact on your project operations.

Professional Technical Support: Whether it's product selection, solution design, installation guidance, or troubleshooting, our engineering team can provide professional and patient technical support, becoming your reliable technical backing.