Euro Tech Holdings Co. Ltd. engages in the manufacture and distribution of water treatment equipment, laboratory instruments, analyzers, test kits and related supplies, and power generation equipment. It operates through the Trading and Manufacturing, and Engineering business segments. The Trading and Manufacturing segment sells water and waste water related process control, analytical and testing instruments, disinfection equipment, supplies, and related automation systems. The Engineering segment involves the development, engineering, production, sales, and servicing of environmental protection equipment, energy conservation, and related products. The company was founded in 1971 and is headquartered in Hong Kong.