Euro Tech Holdings Company Ltd. (NASDAQ:CLWT) shares jumped 12.17% to $1.76 after the bell on Wednesday, extending a 30.83% intraday gain.

Norway Deal Signals European Expansion

The Hong Kong-based manufacturer and distributor of water treatment equipment announced before the market opened Wednesday that it had selected Sea Clean AS as a strategic partner to launch a next-generation hybrid Ballast Water Port Reception & Treatment Facility in Norway.

Sea Clean will provide land located next to the seashore for the facility, along with on-site operational services to support future vessel requirements. The mobile facility is scheduled to be dispatched to Sea Clean's port site in Torvasted, Norway, in early July.

Euro Tech plans to present the system at SMM 2026 in Hamburg, Germany, one of the maritime industry's leading trade fairs, scheduled for Sep. 1 to 3.