bids are invited for fire extinguisher reffilling and servicing of carbon dioxide type 22.5kg capacity fire extinguishers , reffilling and servicing of bc dry chemical powder stored pressure type 2kg capacity fire extinguishers , reffilling and servicing of afff mechanical foam ab stored pressure type 9ltrs calpacity fire extinguishers , reffilling and servicing of bc dry chemical powder stored pressure type 6kg capacity fire extinguishers , reffilling and servicing of bc dry powder stored pressure type 6kg capacity fire extinguishers , reffilling and servicing of bc dry powder stored pressure type 2kg capacity fire extinguishers , refilling and servicing of carbon dioxide type 2kg capacity fire extinguishers , refilling of ba set cylinders , refilling of co2 cartridge 60grams , refilling of co2 cartridge 120grams , labor and transport charges total quantity : 60