Beijing Dongbao cardboard packaging machinery co.,ltd specializes in producing the high-quality production equipments,the major is discovery,development and production of three layer,five layer,seven layer corrugated cardboard production line,width of production from 1400mm to 2500mm,production speed from 60 to 250m per minute, the products have been sold in many countries regions such as Europe, Africa, Middle East and South-east Asia. Have abundant export experience and swift after-service