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2013
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November
ISO9001 certification
2003
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April
ISO14001 certification
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month
Environmental management system certification
0000
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month
China National Accreditation Committee of laboratory accreditation certificate
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month
Guangdong Province independent innovation products - electronic ballast
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month
Guangdong Province independent innovation products - self ballasted fluorescent lamps
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month
Invention patent of explosion-proof structure
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