Euro Tech Holdings Company Limited engages in the distribution of advanced water treatment equipment for commercial customers and governmental agencies, or instrumentalities in Hong Kong and the People's Republic of China. It operates in two segments, Trading and Manufacturing, and Engineering. The company offers analytical instruments, such as chromatographs, mass spectrometers, flow injector analyzers, automated sample preparation workstations, and atomic spectrometers; environmental monitoring instruments comprising air and water quality monitoring instruments; sample pre-treatment equipment; and general purpose laboratory instruments consisting of water quality monitoring and analysis equipment. It also provides process control and engineering products, including sensors, temperature gauges, pressure gauges, power and energy consumption meters, flow meters, valves, temperature and pressure transmitters and control devices, and temperature and pressure calibrators, as well as moisture, power, energy, and harmonic analyzers. In addition, the company offers general testing and measuring equipment comprising multi-channel digital and analogue recorders, signal amplifiers, and calibration equipment for energy conservation, renewable energy equipment, power quality analyzers, continuous emissions monitoring systems, and air pollution control systems to power plants, railway and aero-space industries, utilities, educational institutions, and telecommunications companies. Further, it is involved in the development, production, sale, and servicing of environmental equipment, including laboratory analyzers, on-line measuring equipment, and other analyzers for chemicals; and provision of maintenance, installation assistance, and calibration services. The company distributes its products through its representative offices and retail/trading companies. Euro Tech Holdings Company Limited was founded in 1971 and is headquartered in Hong Kong, Hong Kong.