pu roller factory is a big and real roller factory in China, we factory engaged in research,development,manufacturing and sale high quality pva sponge roller with better price for PCB and Glass industry cleaning. Our quality very good,we can accept small order and delivery on time. Our pva sponge roller use taiwan materials uselife loger than others.and more absorbent. PVA Sponge Rollers are used for food Beverage Industry, textile industry, wood furniture Industry, environmental industry, glass industry, metal working industry, printed circuit board, steel industry etc. Glass products, steel plate, aluminum plate and other industries of the cleaning, pressure, water absorption.We all use the best materials from Taiwan, which have better water absorption. We use food-grade mildew inhibitor, we make pva sponge high density, better elasticity, high water absorption and longer service life.