Shenzhen Kaifda Technology was founded in 2002 and is located in Guangming New District, Shenzhen, China. With the rapid development of our company, we have established two subsidiaries namely Shenzhen Longri Technology Co., Ltd. and Longtai International Trade Limited. We specialize in developing, designing, producing and marketing ATX power supplies for desktop computers, rechargeable power supplies for electric bikes, Bluetooth speakers for music enhancement and power banks for traveling.