90mm16D/20D Rubber Extrude Machine(https://www.zjbaina.com/product/rubber-extruders-series/90mm16d-20d-rubber-extrude-machine.html） Vacuum area is processed by 38CrMoAl with no welding joint, which can eliminate the stress and deformation caused by welding and improve the assembling: "coaxiality". The fuselage adopts spiral water circulation, the vacuum adopts perforation, and the high pressure plug closes the cycle. Compared with other brands of extruders, the fuselage assembly accuracy and the high temperature control ability are improved. Rossi Gearbox，Bearings are SKF brand, integrated casting box. Compared with domestic reducers, the transmission accuracy and efficiency are high, energy consumption is saved, noise is low, and service life is long.