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| Jewel Identifying Instrument |
| Optical Element Spectrum Analyzer |
| Guangzhou BiaoQi Optoelectronics Co., Ltd. |
| Address:Block 701B, No. 7, Caipin Road, Science City, High-Tech Industrial Development Zone, Guangzhou, Guangdong 510663 (CN) |
| Tel: 86-020-38319602 38319620 |
| Fax: 86-020-38319595 |
| Email: songjinda@gzbiaoqi.com |
| Website: http://m.ioptimiser.com |
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