What is a nozzle bag?By adding a capped high pressure polyethylene to the packaging bag (usually a stand-up bag)(HDPE)With a hard mouth, a nozzle packaging bag is formed. According to the different installation positions of the hard nozzle, the nozzle packaging bag can be divided into two types: vertical installation type and oblique installation type. According to the shape of the plastic nozzle installed on the packaging bag, the nozzle packaging bag can be divided into long-mouth type and short-mouth type. The processing of suction nozzle packaging bags is divided into bag making and welding nozzles. Each link has high process requirements. If it is not mastered well, it is easy to produce quality problems such as bag breakage and leakage.