Zhongshan Ruikang Electric Appliance Co., Ltd. is a professional manufacturer of automatic voltage regulators (AVR),and other power supply products. We feel that our most valuable resource is our professional and highly experienced employees, who work meticulously to produce reliable products of the highest quality. Our R&D, Engineering and Mold Making teams provide us with the capability to provide ODM and OEM services in order to best meet clients' demands. Ten years of specializing ...