Shenzhen Jingruian Technology Co., Ltd. is located in Huaqiang North of Shenzhen, only 40 kilometers away from Shenzhen Bao 'an International Airport. The company began to engage in the design, manufacturing and sales of switching power supply products in 2008. Its brands GIANTSHARK and JINGRUIAN enjoy a good reputation at home and abroad. The company specializes in providing LED switching power supply, waterproof switching power supply, rain proof switching power supply, AC and DC power adapter and CCTV camera switching power supply. Products with overload protection, over voltage protection, high temperature protection and other functions, favored by users