DEAR SIR,WE ARE ONE OF LARGEST MANUFACTURERS OF POLYACRYLAMIDE.WE CAN SUPPLY THE BEST PRICE AND THE BEST QUALITY.WE CAN SUPPLY AS FOLLOW;1) ACRYLAMIDE2) ANION POLYACRYLAMIDE3) CATION POLYACRYLAMIDE4) NON-ION POLYACRYLAMIDE5) ZWITTERION POLYACRYLAMIDE6) POLYACRYLAMIDE FOR ARTESIAN WELL7) POLYACRYLAMIDE FOR OER 8) HEAT RESISTANTAND ANTI-SALT POLYACRYLAMIDEIF YOU ARE INTERESTED IN ABOVE.PLS LET US KNOW.WE CAN SUPPLY AS YR REQUEST.HOPE TO COOPERATE WITH YOU!WITH BEST REGARD!CARMELO XU