Guangzhou Opsens Optoelectronics Co., Ltd. is the general agent in China for Japan OPTEX automatic door sensors, OPTEX photoelectric switches, and OPTEX infrared thermometers. It is also the general agent in China for IRISYS infrared thermal imagers of the UK-based IRISYS company, as well as the general agent in China for the infrared thermal imagers of Japan's NIKON company. The company currently has its headquarters in Guangzhou, with branches in Beijing and Shanghai. For a long time, it has been dedicated to promoting industrial automation products and is a powerful company in the industrial control sector.