Quick Details Product Name: Plastic Twin Screw Extruder Parallel Helical Bimetallic Barrel Material: 38CrMoAl Color: Metal Packaging: Wooden Box Lead Time: 30-60 days Product Description We can satisfy your different material needs: According to appearance design,Closed Barrel,Feeder Barrel,Side Feeder Barrel,Venting Barrel,Combi Barrel. According to the liner,With liner barrel,Without liner barrel. According to Materical, -For wear application:C liner;Cr26;Cr12MoV;W6Mo5Cr4V2; -For corrosion application:38CrMoAla;Hac alloy; -For wear and corrosion application:Nickel based alloy;316L,304;WR13,SAM26etc. Through the understanding of customers,recommend the most valuable material. Barrel Dimensions Production Process Packaging Our Service FAQ: 1,How long does it take to get my products since I paid for them? -------Two months at least ,but it depends on. 2,Can I get the Warranty of one year for free? -------If you need the warranty, you should pay for it . If not ,don't worry either,we have confidence in our products. 3,How is your after-sale service? ------- You will get our help in time as long as you find something wrong about our products. Believe us, you deserve the best .