| 1. | Owner | : | ESTON SINAGA |
| 2. | Address | : | Jl. Jatinegara Timur No. 7 Jatinegara - Jakarta Timur |
| 3. | Phone | : | 021 - 85910256 / 021 - 70380546 |
| 4. | Fax | : | 021 - 85910669 |
| 5. | H.P. | : | 08159600546 |
| 6. | : | eston@urusizinusaha.com |
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