Product features: 1. Small tolerance size (0.5cm), thickness up to standard. 2. The glue is imported from abroad, which is highly destructive can tear up after being adhesively bonded. 3. Waterproof, resistance to high low temperatures, good performance at - 30 C. 4. In the side sealing technology, our company has developed a special heat sealing technology for the production of express bags, which can fully ensure the strength of the side sealing of each express bag the safety of the packaged express. 5. All express bags manufactured by our company are blown by high-speed double-layer or three-layer co-extrusion film blower, which can fully ensure the toughness of express bags the privacy of express mail. 6. In the procurement of major raw materials, our company chooses high-quality plastic materials with stable tensile force stable uniform color masterbatches. 7. With high-level copperplate printing equipment technology, good printing color precise set, it can enhance the brimage of customers. (8) The process design is unique advanced, the production efficiency is the leader of the peers, the production efficiency is 2 to 4 times that of the peers.