Kwality Process Equipments Pvt. Ltd. One Of The Leading Manufacturer, Supplier & Exporter Of Reactor Tanks in Srilanka. A reactor tank, often referred to as a reactor vessel or simply a reactor, is a crucial component in various industrial processes and scientific applications. Reactor tanks are designed to contain and facilitate chemical reactions, physical processes, or biological processes. These tanks are commonly found in chemical plants, refineries, petrochemical facilities, pharmaceutical manufacturing, and research laboratories. Reactor Tank Manufacturers in Srilanka.