A) Repairing of 02 nos. track chain and 03 nos. jack cylinder of Eimco Elecon Make UDM Sl. No. 26 for Kurasia Colliery. B) Repairing of 02 nos. Track Drive Planetary Gear Box and 01 Set (02 nos.) Track Frame of Eimco Elecon Make UDM Sl. No. 19 of (投標 №107272495cn)