Euro Tech Holdings Co. Ltd. is an environmental technology company focused on water treatment solutions and related equipment. The company operates through two main segments: Trading and Manufacturing, and Engineering. In its Trading and Manufacturing segment, Euro Tech Holdings Co. Ltd. provides laboratory instruments, analyzers, test kits, power generation equipment, and a range of water treatment devices to industrial, municipal, and commercial customers. Through its Engineering segment, it delivers water and wastewater treatment engineering services and air pollution control solutions, primarily via its wholly owned subsidiary Pact-Yixing, which designs and implements treatment systems for complex environmental needs. Headquartered in Hong Kong and founded in 1996, Euro Tech Holdings Co. Ltd. plays a specialized role in the environmental and industrial markets by supplying technology and engineering capabilities that support regulatory compliance, process efficiency, and improved water quality across its served regions.