Our products were exported to over 40 countries and regions,including US,UK,German ,Japan,Canada,Australia,Russla,ect.We built after-sales service in many countrnies .We can provide service for you. 01 We can produce screw and barrel according to you drawing. 02 We can design screw and barrel for you as per your connection size and requirement. 03 We can send you technician to measure screw and barrel you. 04 We can rebuild screw and barrel to save your cost. 05 We can help you to increase output，improve material mixing，reduce melt temperatures，increase energy efficienc.