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Dandong Kuandian Boron Mine??? ?? ??? ?????.
?? ?:
Dandong Kuandian Boron Mine
??:
+86-415-5100145 5100149
???:
zwb@kuandiankuang.com
??:
China
URL:
www.kuandiankuang.com
? ?? ?:
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Disodium tetraborate decahydrate
Boron magnesium ore
ascharite
1
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