Multi-Line& Four Sides Sealing Packing Machine is suitable for granule , liquid & catsup,and powder ... to maintain, and has long life span.2.Roller heat sealing, four side seal, high speed multi-lane packing, with bags coming smoothly ... without changing the mould. Functions can be regulated for longitudinal sealing, transverse sealing, filling, notch cutting, longitudinal cutting, fracture line making, ...