| Billings Optics Inc. | |
| tel: +86-513-85439092 |
|
| Fax: +86-513-85663223 | |
| Dav: +86-18921602300 | |
| E-mailem: info@billings.cn | |
| Přidat:695 Changtai Road, Tangzha Dushi, průmyslová oblast, Nantong, Jiangsu, Čína | |
| Billings Optics Inc. | |
| tel: +86-513-85439092 |
|
| Fax: +86-513-85663223 | |
| Dav: +86-18921602300 | |
| E-mailem: info@billings.cn | |
| Přidat:695 Changtai Road, Tangzha Dushi, průmyslová oblast, Nantong, Jiangsu, Čína | |
