Hey there,It is nice to write to you. This is chemazone from India. I would like to buy Magnetic Polystyrene Microspheres.carboxylated Polystyrene 4 micron 10 mLCould you please send me the quotation from this.What is the lowest price you can offer?Thank you very much in advance.With RegardsAritech Chemazone Pvt Ltd India Show More