Quality control
Quality system


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Yinguang Group ISO14001:2004
Yinguang Group ISO14001:2004
Yinguang Group ISO9001:2000
Yinguang Group ISO9001:2000
Mg barISO9001-2000
Mg barISO9001-2000
Titanium spongeISO9001-2000
Titanium spongeISO9001-2000
Safety management
Safety management
ISO14001-2004
ISO14001-2004
ISO/TS16949-2002-02
ISO/TS16949-2002-02
ISO/TS16949-2002-01
ISO/TS16949-2002-01
Anode ISO9001-2000
Anode ISO9001-2000
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