Established in 2005, Shenzhen LingGai Technolongy Co., Ltd. has evolved through years of continuous development from a small factory with only a single product of computer switching power supply into a diversified manufactory of casing, power supply, keyboard, mouse and many other computer peripherals. Meanwhile, we have created the "DL", "XYQ" and "DQ" famous brands in the computer circle. Our company is the first to release "extra broadband" computer switching power supply in China. Not only being up to EMI B-grade standards, our products are CCC, CE and FCC-approved too. Besides, our company is the first that has been conferred the title of "Follow-Up Service Products of Product Quality Inspection Office of Beijing Technology Supervisory Bureau" in China. We strictly implement ISO9000 quality management system and keep product updating and upgrading, thus enjoying wide recognition at home and abroad.