Tenders for Supply of Helical Coil Spring Suitable For M/S Phooltas Make, Mark-Iv Tower Wagon, M/S Phooltas Part No. Ohe 4/03-01/00 Rev.0. Material Confirming To Grade 50Cr4v2 To Is:3195-92. Technical Requirement Of Spring S Hall Confirm To Rdso Specification No. Wd-01-Hls-1994 Rev.3. Material To Be Procured From Rdso Approved S Ources Only. Warranty Period: 30 Months After The Date Of Delivery