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| ISO14001 certificate | ISO45001 certificate | After sales service management system certification certificate |
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| Class AAA certificate | Jiangsu province high tech enterprise certificate |
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| Jiangsu Enterprise Technology Center | Jiangsu graduate workstation |
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| Specialized in special new "little giant" enterprises | Excellent enterprise of management innovation in Jiangsu Province |
Tel：+86-0517-87221172
Tel：+86-0517-87221123
Email：hzdongjun@hzdjm.com
Addr：No.10, North four, Economic Development Zone Hongze,Jiangsu Province, China
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