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YUFENG CHEMICAL
12
2019
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09
Warm congratulations YuFeng chemical on September 4, 2012, passed the BV company for YuFeng chemical company
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Warm congratulations YuFeng chemical on September 4, 2012, passed the BV company qualification for YuFeng chemical company, sales level, production capacity, the company research and development level, quality control, human resource management field certification and pass such links.
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