For Corrugator - How to increase corrugated cardboard quality and reduce paper waste? Welcome to our customer factory. GaoFan factory install 2200mm and 2500mm corrugated line from LLY Pack. You can see all the mill roll stand are with auto splicers. The splicers are with servo motor control. With the help of auto splicer, the operator can change the paper at high speed as well as improve the cardboard quality.