poly aluminium chloride liquid hs code cost
China HS Code Poly Aluminium Chloride PAC in Water ... Hs code Poly aluminium chloride PAC in water treatment chemical Poly aluminium chloride is a kind of inorganic polymer coagulant. The color is yellow or pale yellow, dark brown, dark gray resin solid. It is formed by hydroxylions of bridging function and the order of anionic polymerization.
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