KORAS
ISO 14001 (HANDS)
ISO45001 (HANDS)
ISO45001 (QINGDAO)
ISO 14001 (QINGDAO)
ISO14001 (HANDS8)
ISO45001 (HANDS8)
ISO45001 (HANDS6)
ISO 14001 (HANDS6)
(ISO 37001 : 2016)
IATF16949 (HANDS1)
IATF16949 (HANDS2)