Glass fibre knife groove is used for sealing and cutting knife is made of anti-sticking and temperature-resistant nickel-chromium alloy. The sealing is neat, non-cracking and non-coking. Equipped with special roller pinhole equipment, fully drain the air inside the membrane. Sliding rubber film support, can be placed in various specifications of shrinkage film, arbitrary adjustment. The average power consumption per hour is only 3.5 kw. PPS heat-resistant knife chuck, can withstand the test of long-term use The height of the sealing tangent can be adjusted arbitrarily according to the size of the package. Locked casters are installed at the bottom, which can be moved orpositioned according to need.