Shanghai Acrel Co., Ltd. is principally engaged in the research, development, manufacture and distribution of subscriber terminal smart electricity instruments. The Company primarily provides subscriber terminal smart electricity instruments and electric sensors, including electric monitoring products, power management products, electric security products and electric sensors, such as programmable smart electric meters, multi-circuit monitoring units, power factor compensation instruments, motor protectors, integrated switchbox monitoring equipment, electric power quality analyzers and electric current transformers, as well as system integration, including subscriber terminal smart power management systems, subscriber terminal smart power monitoring systems, residual current electric fire monitoring systems, as well as power consumption monitoring systems for large-scale public buildings.