With technical advantages of our company and in accordance with the market demand of pipes production, we have designed, developed and manufactured auto pipe-expanding machines with references to the technology of sophisticated equipment from domestic and overseas. It enjoys such advantages as beautiful appearance, proper structure and easy to operate and so on. Equipped with expanding mold of relative specifications, auto pipe-expanding machines and relative pipes production line can realize full procedure automatic production of straight opening and protruding opening pipe-expanding of all plastic pipes from20mm-1000mm.