Defoamer Antifoam, Adipic Acid, Polyacrylamide manufacturer / supplier in China, offering Gr-1699 Tensile Strength Enhancer for Waste Paper Fiber, Gr-9000 Non-Silicon Bleach Stabilizer for Pulp & Paper, AKD-1840 Wax Powder for Fast-Curing AKD Emulsion and so on.