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Majesta chemical Co.,Ltd. (Hangzhou DKC Chemical Co.,Ltd.)??? ?? ??? ?????.
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Majesta chemical Co.,Ltd. (Hangzhou DKC Chemical Co.,Ltd.)
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0571-87969269 13705816281
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panye@majestachem.com
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China
URL:
www.dkchem.com
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42
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C14H17NO2
2,2'-((1,1'-???)-4,4'-???-2,1-????)??- ???? ? ???? ?
C28H23NaO6S2
4,4-??[2-(2-?????)???]-1,1-????
C30H26O2
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