Detailed
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Honor
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ISO 9001:2019
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ISO 14001:2019
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BS OHSAS 18001:2019
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CERTIFICATE
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ISO 9001:2019
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ISO 14001:2019
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Tianjin Friend Import & Export Co., Ltd
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Tianjin Friend Steel Pipe Co., Ltd
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Honor
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Honor
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Honor
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Honor
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Honor |
Honor |
Honor |
