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Sichuan Danling Huakang Chemical Co.,Ltd.??? ?? ??? ?????.
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Sichuan Danling Huakang Chemical Co.,Ltd.
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86-833-7283089 7283666 13909035661 13340953188
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fw@huakangchem.com.cn
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China
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www.huakangchem.com.cn
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7727-73-3
H20Na2O14S
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7757-82-6
Na2SO4
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