Defoamer Antifoam, Adipic Acid, Polyacrylamide manufacturer / supplier in China, offering Polyamide Epichlorohydrin Resin Wet/Dry Strength Agent /AKD/ Defoamer for Tissue Paper, Wet Strength Agent 12.5%/ 15% /25% Polyamide Epichlorohydrin for Tissue Wiping Packing Paper, Wet Strength Agent 12.5% / 25% Solid Content for Paper Making Agent to Increase Paper Strength and so on.