ISO9001: 2005 palapala a me ka loiloi hōʻaiʻē ʻoihana

Ua hala ke aniani Yongyu i ka palapala ISO9001: 2005.

ʻO ka loiloi hōʻaiʻē ʻoihana o ke aniani Yongyu ʻo AAA.

ISO9001
信用评级证书

Ka manawa hoʻouna: Iune-16-2022