Wannan inji ne ingantaccen nau'i na Fengfeng FF4400, super dogon nau'in suture tebur, sa aiki sarari mafi fadi. Matsa kafa ɗaga na'urar raba hannu da kuma kafa pedal iko, amfani da babban stereo rotary hook layi, flower bar picking layi. Sama da ƙasa shaft goyon baya tare da allura madaidaiciya bearings, daidaitaccen kayan aiki band drive, piston-irin man fetur famfo lubrication tsarin. Yin amfani da allura bar swing matsa lamba kafa samar da hakora aiki tare abinci hanyar, dukan inji a kan hadaddun aiki motsi mai sauƙi, karamin amo, high juriya, da kuma rotary aminci. Musamman dace da suture na motoci kayan ado kamar mota matsa, tsaro belt, iska jakar, kuma za a iya amfani da suture na alfarma, parachute da sauran manyan kayan aiki.