| Tel | : | (+84)24 3987 6170 |
| Fax | : | (+84)24 3987 8632 |
| : | info@cet.vn | |
| Representative | : | Mr. Le Thanh Lam |
| Head Office | : | No 46 Pho Tram, Long Bien Ward, Long Bien District, Hanoi, Vietnam |
| Tel | : | 0902 769 121 |
| : | cet.hcmc@cet.vn | |
| Representative | : | Mr. Giang |
| Address | : | Unit 04.55, Block E, Lexington, Mai Chi Tho, District 2, HCMC, Vietnam |