This machine integrates the design advantages of similar foreign products, with strong plasticity, taking 

high pressure polyethylene (LDPE) as raw material, is a special equipment for producing chain-locked bags 

(self-sealing bags, bumpy bags, dense bags), its products are widely used in food, clothing, drugs, hardware

 accessories, decorations, daily necessities and other packaging, the main chain-locked bag products are: 

ordinary packaging chain-locked bags, color chain-locked bags, double-linked saddle bags, refrigerated 

chain-locked bags, etc. Sealed packaging bags, this unit of the production of the chain bag has the 

advantages of easy to open and close, high fastness, strong sealing, etc.

The barrel and screw are made of high quality alloy steel, nitrided and precision machined. It has the best

 hardness and corrosion resistance. The auxiliary machine is set up with platform fence bar working table, 

and the winding device adopts torque motor, which can keep suitable tension, neatly rewind and convenient

 to change rolls.