I-ISO9001: Isitifiketi sika-2005 nokuhlolwa kwekhredithi yebhizinisi

Ingilazi ye-Yongyu iphumelele isitifiketi se-ISO9001:2005.

Ukuhlolwa kwekhredithi yebhizinisi yengilazi ye-Yongyu yi-AAA.

ISO9001
信用评级证书

Isikhathi sokuthumela: Jun-16-2022