Tongyuk
| Business category 1 | Earphone & Headphone |
| City ( of main office ) | Hong Kong, HK, Hong Kong |
| Address | Unit 1006, 10 / fl. , Carnarvon Plaza, 20 Carnarvon Road, Tsimshatsui |
| Phones | 852-92225438 |
| Fax | 852 |
| Date | 2011 Oct 28, 23:10 |
| Business category 1 | Earphone & Headphone |
| City ( of main office ) | Hong Kong, HK, Hong Kong |
| Address | Unit 1006, 10 / fl. , Carnarvon Plaza, 20 Carnarvon Road, Tsimshatsui |
| Phones | 852-92225438 |
| Fax | 852 |
| Date | 2011 Oct 28, 23:10 |