Description :
Tenders for Supply Of Set Of Rubber 'o' Ring Suitable For Rotex Type Nc-7 Valve Comprising Of 10 Items 21 Nos. As Per Sketch No. Bsl/elw/sk.no.9142, Is Similar To The Electro-pneumatic Governor Used In Hhp/alc O Locomotives. To Be Procured From Past Proven Supplier Of Indian Railway Only. ]