About us

Longjann Tech Co.,Ltd is a professional manufacturer of Switching Power supply, Power adapter, AC adapters, battery chargers, high / low frequency transformers and other related products since 2004. Our products are widely applied in portable consumer electrics, IT communication equipments, digital apparatuses, power-driven tools etc.

With UL/CUL/TUV/GS/CE/CB/SAA/PSE/CC safety certifications and excellent customer service system, sophisticated factory management system, Our products win the uniform favorable comments of clients and export to all around the world.

We have a strong R&D team who have rich experience in the field of switching Power adapters. From the battery charger extend to ac adapter, led driver and so on. All the products welcome for OEM first, And all products have 12-month warranty at least. We provide full after-sales service to our wholesale clients.

Our goal is expand Cooperation for Mutual Benefit and Win-Win Progress with our customer. We always adhere to the guiding principle of good customer satisfaction and meet greatly-growing market demands. Prompt service, reasonable prices, high quality and innovation are always our general orientation. Our products sell well in North America, Europe, Japan, the Middle East and Asia. Stable quality and competitive price as well as top-class service have earned us a high reputation among our customers all over world.

Thank you for your attention to Longjann Tech! We are looking forward to cooperating with potential business partners, and hope to develop with you hand in hand. We believe that we are the best supplier for your choice.

Power adapter manufacturer factory

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