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Shandong Zhi Shang Chemical Co., Ltd.
High Quality Diaminodiphenylsulfone 4, 4'-Diaminodiphenylsulfone CAS 80-08-0
High Quality Diaminodiphenylsulfone 4, 4'-Diaminodiphenylsulfone CAS 80-08-0
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Unit kg
Sample Price US $ 10
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