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?????????????(Laizhou Zhongda Chemicals Co., Ltd.)? ??? ????? ??????? ???? ??? ????? 5300????, ????? 1200????, ????? 320???, ????? 210???, ????? 50??? ???.  

?????? 2.5???? ???? ?? ?? ??????????? 3????, ?? ??????? 30????, ?? ?????? 160????, ?? 206??? 1????, ???????? 110????, ???????? 110???? ???? ?? ????? ?? ?????.

?? “????, ????, ????”? ???????? ????, ??????, ???????? ??? ??, ??????, HEXA GS? ?????? ? ????? ?? ???? ????.

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