Black Polyimide Film manufacturer / supplier in China, offering 1, 2, 4, 5-Benzenetetracarboxylic Anhydride (PMDA) / Pyromellitic Dianhydride for Producing Delustering Agent, HS Code 2917399090, High Quality and High Purity Pmda Pyromellitic Dianhydride for Producing Resin; Benzene-1, 2; 4, 5-Tetracarboxylic Dianhydride CAS: 89-32-7, 1mil-7mil Biaxial Polyimide Film for Electrical Insulation Adhesive Tape and so on.
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