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Environmental Management System Certificate
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Occupational Health and Safety Management System Certificate
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Quality inspection report of polyurethane for building materials
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ISO9001 - Jiangsu Jinzheng Energy Saving
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Jiangsu quality trustworthy enterprise
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Production Licence
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Maintenance Installation Qualification Certificate
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Jinzheng SGS Certificate
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Occupational Health and Safety Management System Certificate
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Jinzheng OHSAS14001
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Jinzheng ISO9001
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Changzhou City refrigeration academician
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Determination of Qualified Report of Polyurethane Sandwich Panel
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Honorary Qualification (B1、B2)
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Jin zheng Hefei Test Report
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Honorary Qualification (CE1, CE2)
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