Shanghai Airlines 13,14,15,20       

China   

13,14,15,20:

• paper
• open gussets
• tear off strip   
  
• straight cut
• manufacturer in the right gusset:

         13: shzhongzheng

         14:  joyum (3,8 cm), Tel:…868

         20:  joyum (5,4 cm), Tel:… 868

         15:  joyum (5,4 cm), Tel:… 398