Wani layin samar da bututu na PVC wanda FAYGOUNION ya samar an ba da izini a cikin Nanchang No. 1 Factory.Cikakken saitin kayan aikin layin samar da FAYGOUNION, kuma layin samar da extruder da FAYGOUNION ya samar yana gudana cikin tsayuwa, tare da aiki mai sauƙi, ƙarancin kulawa, da kyakkyawan yabo daga abokan ciniki, wannan layin shine layin fiɗa filastik na biyar da masana'anta suka saya.
