GRtech
| Business category 1 | Air Purifiers |
| City ( of main office ) | Hong Kong, HK, Hong Kong |
| Address | Flat 1, 15 / F. , Haiphong Mansion, |
| Phones | 852-27870846 |
| Fax | 852 |
| Date | 2011 Oct 29, 15:10 |
| Business category 1 | Air Purifiers |
| City ( of main office ) | Hong Kong, HK, Hong Kong |
| Address | Flat 1, 15 / F. , Haiphong Mansion, |
| Phones | 852-27870846 |
| Fax | 852 |
| Date | 2011 Oct 29, 15:10 |