Shanghai Chaoshi Electronic & Electrical Equipment Co., Ltd.

Shanghai Chaoshi Electronic & Electrical Equipment Co., Ltd. was established in Shanghai, China in 1993. We have been consistently focusing on the specialized design and the production of general-purpose electronic protectors. Areas of application include protection of electromotors and other three-phase electrical equipment in businesses such as compressors, elevators, refrigerators, freezers, air conditioners, elevators, machine tools, electrical machines, water pumps, fans, heavy-lifting machines, parking systems, building automation, electricity for agricultural use, etc. Shanghai Chaoshi mainly develops and produces products include but not limited to: Three-phase and single-phase power protection relays, motion detection protectors for electromotors, various types of PTC and NTC power protection modules, and so on. Our products use temperature drift technology to improve the accuracy of OV/UV settings. All of the products have compact size and light weight, high accuracy, and high optimization for general-use. Our company is ISO 9001-certfied. Some of our company’s products have CCC (CQC) certification and CE certification, and some of them meet the RoHS compliance. All of our products have independent intellectual property rights, while some of them hold Chinese Invention Patent and Chinese Utility Model Patent. Shanghai Chaoshi always strives to provide professional solution and high-quality services to our customers.