Changchun Qingda Technology Development Co.,Ltd.
| Informações de contacto |
| Nome da empresa: | Changchun Qingda Technology Development Co.,Ltd. |
| WWW: | http://www.ccqd.com |
| email: | info@ccqd.com |
| Descrição curta: | Each kind of optical design software, business management software, public security system software. |
