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mofcom.gov.cn

mofcom.gov.cn

The accreditation scheme for testing and calibration laboratories is based on ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories). All types of laboratories covering chemical testing, biological testing, physical and mechanical testing and calibration laboratories are included under this scheme.

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scol.com.cn

scol.com.cn

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en.huanqiu.com

en.huanqiu.com

2021年7月13日. Huanqiu.com. Sales of tickets in China’s night tour attractions and nighttime amusement parks in the first half of the year soared by 469 percent year on year, an increase of 106 percent over the same period in 2019, according to a recently released report. Tourists visit the Longmen Grottoes in Luoyang, central China’s ...

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himg2.huanqiu.com

himg2.huanqiu.com

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