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The patent certificate about Double-wall tank (6)
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2017-06-12 13:46:16
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The patent certificate about Double-wall tank (5)
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2017-06-12 13:45:38
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The patent certificate about Double-wall tank (4)
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2017-06-12 13:44:37
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The patent certificate about Double-wall tank (2)
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2017-06-12 13:43:42
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The patent certificate about Double-wall tank (3)
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2017-06-12 13:43:04
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The patent certificate about Double-wall tank (1)
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2017-06-12 13:41:01
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High - tech enterprise certificate
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2017-06-12 13:39:46
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Advanced material suppliers from Sinopec
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2017-06-12 13:38:12
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The certificate of UL
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2017-06-12 13:37:20
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