Sandong chunlong group Packaing Material Co.,Ltd established in1997,which is located in a famous industrial district---longkou city shandong province china.The products we specially develop and manufacture are packing materials, including printed bag,Laminated Bag,Ziplock Bag,Self-adhesive Bag ,mailingbag,food packaging bag,film roll,washing powder bag,cat litter bag,sea food bag and so on,They are made from PP,HDPE,OPP,PET,PA