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HL passed CCS quality certification center ISO9002:1994 standard authentications in 1997 |
HL passed CQC ISO 9001:2000 certifications for standard version in 2003 |
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HL passed IATF16949:2016 certifications for standard version in 2017
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In September 2022, HL passed the environmental management system certification
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In September 2022, HL passed the occupational health and safety management system certification
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In September 2022, HL passed the environmental management system certification (national standard version) |
In September 2022, HL passed the occupational health and safety management system certification (national standard version) |
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