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| ISO 14001 |
ISO 9001 |
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THE CERTIFICATE OFFERED BY BEIJING BUREAU
OF QUALITY AND TECHNICAL SUPERVISION |
THE CERTIFICATE OFFERED BY BEIJING BUREAU
OF QUALITY AND TECHNICAL SUPERVISION |
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| THE CERTIFICATE OFFERED BY BEIJING MUNICIPAL SCIENCE&TECHNOLOGY COMMISSION |
THE CERTIFICATE OFFERED BY BEIJING HAIDIAN DISTRICT
BUREAU OF QUALITY AND TECHNICAL SUPERVISION |
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THE CERTIFICATE OFFERED BY BEIJING
MUNICIPAL SCIENCE&TECHNOLOGY COMMISSION |
CERTIFICATE FOR PROTOYPE TESTING
OF MEASURING INSTRUMENT |
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