Dear Sirs. Shaanxi Baohua Technologiesl Co.,LTD. is a leading and reliable manufacturer and exporter of Sodium persulfate,Ammonium persulfate and Potassium persulfate,and are willing to cooperate with all circles of friends from domestic and abroad,our products as follows: 1>Commodity:Ammonium persulfate Specs:Assay of [(NH4)2S2O8] 98.5%min. Active oxygen 6.91%min. Chloride and chlorate (as Cl) 0.001%max. Iron(Fe) 0.0005%max Heavy metals(as Pb) 0.001%max. Manganese (Mn) 0.00005max. Moisture 0.15%max. 2>Commodity:Sodium persulfate Specs:Assay of (Na2S2O8) 99.0%min. Active oxygen 6.65%min. Free acid(as H2SO4) 0.01%max. Chloride and chlorate(as Cl) 0.005%max. Ammonium(as NH4) 0.2%max. Iron (Fe) 0.001%max. Heavy metals(as Pb) 0.001%max. Manganese (Mn) 0.00005%max. Moisture 0.05%max. 3>Commodty:Potassium persulfate Specs:Assay of (K2S2O8) 99.0%min. Active oxygen 5.85%min Free acid (as H2SO4) 0.10%max. Chloride and chlorate (as Cl) 0.02%max.