Contract Bidding Open For Supply, erection, testing and commissioning of hydraulic spring testing machine (Coil Scragging and Load Deflection Testing Machine) for compression/deflection testing and cycle testing of helical spring with respective load for all size of helical spring of electrical loco bogies of WAP1/WAP4/WAG5/WAG7/WAP7 and WAG9 locomotive along with digital load indicator and length measurement device (Digital linear scale C/W read out console) in Tamil Nadu