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China
Personne àcontacter Mr. ZHANG
zongbujidi, Beijing, Beijing
Purity(H3PO4) *5%~*5% Arenic(As) 0.5ppm max Fluoride(F) *0ppm max Chloride(CI) 5ppm max Sulphate(SO4) *0ppm max Heavy Metal(as Pb) 5ppm max Reductive matter as H3PO4% 0.**2%max