Hebei Pengfa Chemical Co., Ltd. yog lub tuam txhab koom nrog hauv kev tsim, muag thiab xa tawm ntawm glacial acetic acid, acetic acid tov, formic acid, phosphoric acid, dyeing acid, sodium Acetate, calcium formate, sodium formate, compound carbon qhov chaw, bioactive carbon qhov chaw thiab lwm yam che...
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