Buy Wholesale China Chemical Pva 1788 Chine Cas 9002-89-5 High Purity 99% Min Pva Powder Polyvinyl Alcohol Pva2488 & Poly(vinyl Alcohol) at USD 40 | Global Sources
Chemical Supply Polyvinyl Alcohol Granule PVA2488 Rubber Powder - China Rubber, PVA | Made-in-China.com