We are leading suppliers for screw barrel ,aslo have our own factory at Zhoushan Dinghai industry with more than 10 years, our 10 people engineers team is always keeping design and develop best screw barrel to make our customers the most efficient and long life.we are the top level to do the twin screw barrel for extruder machines in China, Our factory employee have more than 50 peoples, and engineer tearm have 10 people and our trading team have 8 people, we are not only guarantee our product quality, also give you best solution with our best service.We are mainly supply solution and service for our customers instead of only supplier screw barrel product. When you choose our JAI HO screw barrel, you will more easy to success.