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

Featured Products

USB Car charger	USB charger	12W power adapter	UK power adapter
12V 1A power adapter	Desktop adapter	12V 2A power supply	Laptop power adapter
Universal car adapter	Universal laptop charger	Universal Notebook Adapter	Dell laptop adapter

New Products

Industrial power supply	12V 5A power supply	Switching Power Supply	Single output Power Supply
LED Driver	Waterproof power supply	100W LED power supply	LED Power Supply

News of power adapter Manufacturer

• Samsonite show solar charging briefcase in CES 2010
• Sony make CycleEnergy USB power adapter
• WiFi charger appeared in the CES2010
• iPad incurred woman
• China released common criteria of mobile phone charger