bids are invited for sr. no. 1 electrically operated flexible shaft tube cleaning machine for wet tube cleaning of heat exchangers as per attached specification. , sr. no. 2 flexible shaft s for wet cleaning of heat exchanger tubes compatible with tube cleaning machine as per s.no.1 as per specification attach , sr. no. 3 nylon wire spiral brush compatible with hx tube cleaning flexible shaft s as per s.no.2 for tube id 13.385 , sr. no. 4 nylon wire spiral brush compatible with hx tube cleaning flexible shaft s as per s.no.2 for tube id 14.7 mm , sr. no. 5 nylon wire spiral brush compatible with hx tube cleaning flexible shaft s as per s.no.2 for tube id 17.7 mm , sr. no. 6 abrasive hard nylon wire spiral brush compatible with hx tube cleaning flexible shaft s as per s.no.2 for tube id 13.385 mm , sr. no. 7 abrasive hard nylon wire spiral brush compatible with hx tube cleaning flexible shaft s as per s.no.2 for tube id 14.7 mm , sr. no. 8 abrasive hard nylon wire spiral brush compatible with hx tube cleaning flexible shaft s as per s.no.2 for tube id 17.7 mm total quantity : 173