Supply Of Aluminium Impeller For Centrifugal Type Oil Cooling Blower As Per Clw Specification No. Clw/es/3/0647 Alt-e Or Latest And Clw Drawing No. Clw/es/3/sk1/0649 Or Latest. Note: Clw Approved Sources Shall Only Participate In The Tender Or Supplier Offers Shall Be Considered With Valid Tender Specific Authorisation Certificate From Clw Source Shall Be Submitted Along With Their Offer..