Annual operation and maintenance of sand filter, disinfection system, and valve operation at hnzm complex, in the section of den/w-ii/dli.
Annual operation and maintenance of sand filter, disinfection system, and valve operation at hnzm complex, in the section of den/w-ii/dli.
Chemical Machinery Tenders, Manning Work Tenders, Valve Tenders, Water Treatment Plant Tenders