... bottom conveying unit advantages of full automatic machine,(A,B,C,D,E) corrugated paper,three ... developed on the basis of B type laminating machine, This machine have the two function of card paste ... wear-resistance,heat-resistance and durable pull timing belt transmission,which running evenly and low noise. ... the bottom conveying unit advantages of full automatic machine,(A,B,C,D,E) corrugated paper, ...