"Just a particle counter, but still a particle counter" Particle Plus Co., Ltd. designs and manufactures particle counters and air quality monitoring instruments equipped with advanced sensors and a wealth of features. We provide technology, expertise, and services to production environments and living spaces that require clean environments, such as life sciences, food and beverage, pharmaceuticals, indoor air quality, atmospheric environment, industrial hygiene, cosmetics, semiconductors, aerospace, and data storage industries. Our company helps you stay ahead of the times by offering unique particle sensors, counters, and insights based on cutting-edge technology.