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KELINAS(JINGZHOU)POLYMER TECHNOLOGY CO.,LTD
KELINAS(JINGZHOU)POLYMER TECHNOLOGY CO.,LTD
KELINAS(JINGZHOU)POLYMER TECHNOLOGY CO.,LTD
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Enterprise honor
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Patent Certificate of invention
Patent Certificate of invention
Patent Certificate of invention
Beijing outstanding returned st
Certificate of high tech enterp
Beijing overseas students Pio
Patent Certificate of invention
Patent Certificate of invention
Foreign Trade Import and export
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