| Phone Number | : 012245646, 016245646 |
| Website | : https://www.khmer24.com/C21Advanced |
| Location | : Sangkat/Commune Chakto Mukh, Khan/District Doun Penh, City/Province Phnom Penh |
| Address | : #313, Preah Sisowath Quay, Himawari Hotel, Sangkat Chaktomuk, Khan Daun Penh, 12207 Phnom Penh, Cambodia |
