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ISO 9001:2000 quality management system certiificate(zh) |
ISO 9001:2000 quality management system certiificate(en) |
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ISO 9001:2000 quality management system certiificate(zh) |
ISO 9001:2000 quality management system certiificate(en) |
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ISO18001-1999 |
ISO14001-2004 |
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Safety Register Certificate Of Steel Rings For National Pressure Vessel |
Lloyd’s register certificate |
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24001-2004environment management system certificate |
28001-2001 vocational health and safety management system certificate |
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Certificate Of High Quality Product I |
Wind power tower tube manufacturing plant qualification certificate | |
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Metrological qualification certificate |
2008 sales outstanding achievement |
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