Hongwan focused on plastic extrusion equipment, technology research & development, manufacturing. It has independently developed automatic film profile control, IBC control, auto-weigh & batch system. Widely used in the plastic flexible packaging industry, food, medicine, dairy products. 7-11 layers co-extrusion blown film machine, can produce asymmetric high barrier film mLL /LL / LD /Tie / PA / EVOH / PA / Tie/LL/Tie / PA, EVOH 4%, film thickness 3%, output 700kg / h; 7-11 layers co-extrusion water quenching film line, with auto-profile control, film thickness 3%, output 700kg / h; 3-5 layers of co-extrusion protective film line, the outer adhesive layer can ensure 3% SEBS wrapped round, extremely high 20% adhesive layer, does not produce edge wrinkles. 5-7 layers of co-squeezed cotton and forage film line, layflat up to 2800mm, output 800kg / h. 3-5 layers waterproof rolling film line, especially suitable for low melting finger, high proportion mLLDPE processing.