SINO VACUUM TUBE AMPLIFIER CO.,LTD
| Business category 1 | Amplifier |
| City ( of main office ) | Tianjin, CN, China |
| Address | Dagang |
| Phones | 0086-022-63300011 |
| Fax | 0086-022-63300055 |
| Date | 2011 Oct 28, 23:10 |
| Business category 1 | Amplifier |
| City ( of main office ) | Tianjin, CN, China |
| Address | Dagang |
| Phones | 0086-022-63300011 |
| Fax | 0086-022-63300055 |
| Date | 2011 Oct 28, 23:10 |