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shijing countryside,Shijiazhuang,Hebei,China China
連絡先担当者 Ms. shell lee
住所 shijing countryside, Shijiazhuang, Hebei
we are a leading manufacturer of series of plastic Optical brighteners, such as Optical brightener OB, OB-1, K
we are a leading manufacturer of series of plastic optical brighteners, such as OB, OB-1, KCB, KSN, FP127, CBS
Appearance: light yellow powder Purity:99%min Melting point: 219-221 packing: in 25kgs cardboard drums with
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