tech grade, feed grade, food grade,pharma grade, reagent grade, refined type of ammonium chloride. . are you a manufacturer or trading company? we are the professional manufacturer of ammonium chloride in china for years. . do you have any certificates ?...
tech grade, feed grade, food grade,pharma grade, reagent grade, refined type of ammonium chloride. . are you a manufacturer or trading company? we are the professional manufacturer of ammonium chloride in china for years. . do you have any certificates ?...