Changtai masana'antar gwangwani ce a Chengdu City China.Muna ginawa da shigar da cikakkun layin samarwa don gwangwani guda uku. Ciki har da Slitter atomatik, Welder, Rufewa, Curing, Tsarin Haɗuwa. Ana amfani da injina a cikin masana'antun kayan abinci na abinci, marufi na sinadarai, marufi na likita, da dai sauransu.