Inside is stainless steel,Outside is red copper.Main part of whole system: mash tank,lauter tun,fermenting tank,serving tank,PLC automatic control system, mash mill, chiller,heat exchanger,CIP system, sellingmachine, bottling line, kegging line and other attachments.All of our brewery and brewery equipment are brand new manufactured in our factory We are a biggest and professional beer equipment manufacture with 11 years experiences in China. We specialize in personally manufacturing small, medium and big sized brewery plants. We also manufacture all types and sizes of fermenting and storage tanks. Our breweries can be designed according to the specific wishes of our customers. We also can offer you a wide variety of technical solutions. We can provide beer to make by fermentation of the equipments of having, can train to make wine teacher. Quality could system: ISO9001-2000 Main markets: USA, CANDA, AUSTRALIA, NIGERIA, INDIA and so on