ADDN/ ALTN TO OFFICE ROOM NO 27, 31, 40, 61 IN HQ IDS MAIN BLDG AT KASHMIR HOUSE, ADDN/ALTN TO INT MAC OFFICE IN MAIN BLDG OF HQ IDS, PROVN OF STORE ROOM AND ALLIED SERVICES IN SOUTH HUTMENT OF HQ IDS AND PROVN OF GRILL AND CAGING AT DCYA COMPLEX, W (投標 №81029186cn)