Tender For providing of operation and maintenance services of power generator(dg-set) - package 3 - o&m service with operational and comprehensive maintenance; 15 kva; running time,operation and maintenance services of power generator(dg-set) - package 3 - o&m service with operational and comprehensive maintenance; 25 kva; running time,operation and maintenance services of power generator(dg-set) - package 3 - o&m service with operational and comprehensive maintenance; 62 kva; running time,operation and maintenance services of power generator(dg-set) - package 3 - o&m service with operational and comprehensive maintenance; 30 kva; running time,operation and maintenance services of power generator(dg-set) - package 3 - o&m service with operational and comprehensive maintenance; 200 kva; running time,operation and maintenance services of power generator(dg-set) - package 3 - o&m service with operational and comprehensive maintenance; 15 a kva; running time,operation and maintenance services of power generator(dg-set) - pack