The HF line, starting from a reel of kraft paper, makes well squared bags, using kraft paper of reduced thickness, as low as 75/80 gr/mq. The basic concept of this line, worldwide patented, is simple and innovative: bag formation on vertical mandrels and conveyance to the coaxial turntable with precise and safe mechanical movements. The final result is a reliable and durable packaging machine: one of the best solutions available on the market, both in terms of quality/price and efficiency/ production capacity.