The polyurethane pipeline foam pigs from Yantai Zhengyuan Polyurethane Co.,Ltd.are manufactured from open cell PU foam of superior quality, which is light,durable,flexible,abrasion resistance,hard wearing and tearing.We have some different designs,colors and sizes available for users’ options.Also can be customized according to buyers' special requirements.They are very effective and efficient tools to clean the inner surface of pipes of different materials for transmitting water,steam,gas,oil,chemicals and sewage etc.