Shanghai Chaoyue Electronic Appliance Co., Ltd. was registered and established in Shanghai, China in 1993. It is a member of the China Elevator Association and the China Refrigeration Society. Our company has always been dedicated to the professional design and production of universal electronic and electrical protection devices and specialized supporting electronic products. The application areas include the protection of electric motors, electrical control equipment, and other three-phase electrical appliances used in industries such as elevators, machine tools, motors, air conditioners, compressors, freezers, water pumps, lifting machinery, and three-dimensional parking garages. The company mainly produces and develops single-phase, three-phase three wire, three-phase four wire, three-phase five wire AC voltage protectors, three-phase AC variable frequency voltage protectors, PTC and NTC power protection modules, three-phase and single-phase overcurrent protection devices, three-phase and single-phase motor dynamic protectors, and other products. Our company's products all use temperature drift compensation technology to improve the accuracy of overvoltage and undervoltage settings. The products have high accuracy, small size, comprehensive functions, and strong universality. Shanghai Chaoyue Electronic Appliance Co., Ltd. adheres to the principle of "Chaoyue Innovation, Protecting Ten Thousand Household Appliances; Craftsmanship and Intelligence, Ensuring the Safety of the World with One Device", providing professional and high-quality solutions and product supporting services for enterprise users.