WSS delivers automated boiler and cooling water treatment for major customer. Wilhelmsen Ships Service (WSS) has signed an agreement to supply boiler and cooling water dosing control units to ten 13,200 TEU newbuilds under construction at Hyundai Heavy Industries (HHI) Korea on behalf of Hapag-Lloyd. Integral to the boiler and cooling water circulation systems, the units monitor water conditions to ensure a controlled chemical dosing regime is applied in the correct proportions.