Shenzhen DeLong Energy Technology Co., Ltd. is a professional new energy supplier in China focusing on the manufacture, research and sale of lithium ion battery product worldwide. Our lithium ion battery products are widely applied on digital device, electric vehicle, electric tool and back-up power system, bluetooth headset, digital camera, MP3 player, cellular phone, PDA, DMB, digital camcorder, mining lamp, RC model airplane, electric vehicle, etc.