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ISO9001:2015 |
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GB/T24001-2016/ ISO14001:2015 |
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GB/T28001-2011/ OHSAS18001:2007 |
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Top 20 tax paying enterprises in Xinzhuang Town in 2019 |
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National technical committee for nonferrous metal standardization |
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Abide By the Contract Heavy Credit Enterprise |
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Certification qualification |
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Certificate for measuement assurance |
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China's Top Ten Copper Pipe Enterprises of Year 2018 (The Third) |
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