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China
Personne àcontacter Ms. Elven
No.86 SHAO SHAN ROAD N., CHANG SHA, HUNAN
c Item Specifications 1 MnSO4.H2O *8% min 2 Mn *1.8% min 3 As 5ppm max 4 Pb *0ppm max 5 Ph 6 6 Insoluble in water 0.*5% max