Underground maintenance of conveyor belt line from surface conveyor belt to underground (6 km long) in working districts in hr sec-i, iii and iv of orient colliery mine no. 1 and 2, orient area, mcl.
Underground maintenance of conveyor belt line from surface conveyor belt to underground (6 km long) in working districts in hr sec-i, iii and iv of orient colliery mine no. 1 and 2, orient area, mcl.
Conveyor Tenders