Nowadays , more and more countries start ban plastic . The environment-friendly bag  become more and more popular in all over the World ,especial paper bag .

If need invest the paper bag production line , the first important thing is study target market and find out the popular bag type and size range . 

Then checking which type machines can do it and how many machines need in whole paper bag production lines . We ZHEJIANG KETE MACHINERY CO.LTD are professional supplier of roll feeding paper bag making machines in China .We supply  almost all machines of whole paper bag production line machines . Include full auto shopping paper bag making machine which with inline handle making , food paper bag making machine for packing fast food ,such as KFC , bread , flour ,etc . Our machines also workable to add many optional functions : D-cut handle paper bag ( patch paper bag ) , bag with plastic window , add tape on bag top , inline printing ,and so on . 

The related supporting machine such as paper slitting machine , paper laminating machine , paper coating machine , paper roll printing machines also can be offered by us .

Usually the material cost of each size paper bag will also important reference factors before start this project .  How many paper material can be made with one ton paper ? And how many cost of each bag ?  

Here we will share the solutions to calculate one bag with flat handle cost for reference .