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Borun Chemical Co.,Ltd.??? ?? ??? ?????.
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Borun Chemical Co.,Ltd.
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86-574-87178138 87297407
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dsscoled@chemborun.com
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China
URL:
www.chinarunhe.com
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C15H26N2O2
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52234-82-9
C21H35N3O6
108935-74-6
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