was established in 2012. We are located in Ningbo, Zhejiang, a port city in eastern China. Our factory spans an area of 12000 square meters and is equipped with multiple standardized and automated production lines. We have grown into a large-scale manufacturing company that can produce relays of over 80 million pieces annually. We have become a reputable supplier for many domestic and international clients in sectors such as automotive electronics, Renewable Energy Charging and Storage, Security&Surveillance system, household appliances, communication equipment, and automation control systems.
Contact UsNingbo Keyong Jingsheng Electrical Appliance Co.,Ltd. prioritizes product quality. The company is equipped with multiple high-performance standardized production lines and efficient precision automated assembly and testing equipment. It strictly controls every processing and manufacturing stage while consistently adhering to the ISO quality system. The products have obtained various safety, quality, and environmental certifications such as UL, TUV, CQC, CE, and RoHS. Ningbo Keyong Jingsheng Electrical Appliance Co., Ltd. has been dedicated to independent research and development and technological innovation, contributing to industrial upgrading, energy utilization and intelligent technology in related industries. The company continuously enhances its manufacturing capabilities, improves product quality, and optimizes service efficiency, fulfills a complete service cycle. Ningbo Keyong Jingsheng Electrical Appliance Co., Ltd. manufactures a full range of electromagnetic relay products and related accessories, including automotive relays, new energy (high-current) relays, power relays, signal relays, car flasher relays, intermittent wiper relays, and relay wiring harness and sockets. It collaborates closely with numerous domestic and international manufacturers in the fields of household appliances, communication devices, automotive electronics, Renewable Energy Charging and Storage ，Security&Surveillance system， industrial automation control, and smart technology. The company has become a trusted relay solution provider and professional relay manufacturer, integrating production, R&D, and after-sales service. If you are seeking high-quality relay products and expect attentive service and reliable cooperation, Ningbo Ke Yong Jing Sheng Electrical Appliance Co., Ltd. is a choice worth considering.
