Phol Dhanya Public Company Limited, together with its subsidiaries, distributes occupational safety, health, and environmental products in Thailand and internationally. The company operates in three segments: Trading in Health and Safety Products, Water Treatment System, and Other Operation. It offers personal protective equipment, such as respirators; hand, hearing, face, and head protection gear; firefighting suits; protective cloth; and safety glasses and shoes. The company also provides workplace safety equipment, including system containment systems, emergency showers, portable ventilators, positive respirators, fall protection gear, measurement devices, leak and spill control, and lockout tagout; fire suppression systems, such as clean agents; and cleanroom products comprised of swaps, sticky rollers, cleanroom bonds, and wipers. In addition, it engages in the design, production, and installation of water treatment systems; and distribution of equipment and services related to water treatment systems, as well as provision of control systems, maintenance equipment, and related accessories. Further, the company provides design and engineering, construction, installation and monitoring, analysis laboratory, repair, maintenance, and after-sales services. Additionally, it operates PPE vending machines, as well as an online store. The company sells its products under the Justrite, MSA, Synos, Pentair, Puma Safety, DUNLOP, General Electric, Ansell, COPPUS, Bullard, OU PONT, Honeywell, KING'S, MICROGARD, SCOTT SAFETY, CHEMTEX, MOLDEX, Tractel, and SPEAKMAN brand names. Phol Dhanya Public Company Limited was incorporated in 1961 and is headquartered in Pathumthani, Thailand.