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| Chosen as"trustworthy" by Beijing industrial and commercial bureau in 03 | |
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| Chosen as"trustworthy" by Beijing industrial and commercial bureau in 04 | |
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| Chosen as"trustworthy" by Beijing industrial and commercial bureau in 05 | |
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| Obtained the management system authentication certificate of quality in 05(Chinese) | |
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| Obtained the management system authentication certificate of quality in 05(English) | |
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| Pass ISO9001: 2000 edition | |
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| 2005 survey report | |
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| 2006 survey report | |
