... : belt 1, needle making belt used for high speed corrugated cardboard line. 2, low, middle and high speed line. Manufactured by ... description:1, needle making belt used for high speed corrugated cardboard line.2, factory is the first researcher on needle belt ... , excellent surface ,more evenly and more effectively to help the cardboard bonding.7, strong ability to adapt.8, better hygroscopicity.9 ...