| Billings Optics Inc. | |
| Tel: +86-513-85439092 |
|
| Fax: +86-513-85663223 | |
| Mob: +86-18921602300 | |
| Email: info@billings.cn | |
| Ntxiv:695 Changtai Road, Tangzha Dushi, Industrial Area, Nantong, Jiangsu, Suav teb | |
| Billings Optics Inc. | |
| Tel: +86-513-85439092 |
|
| Fax: +86-513-85663223 | |
| Mob: +86-18921602300 | |
| Email: info@billings.cn | |
| Ntxiv:695 Changtai Road, Tangzha Dushi, Industrial Area, Nantong, Jiangsu, Suav teb | |
