Product Description: Rear Spider nine Blades/ Nine spider wheel hub for Mercedes-Benz trailer parts Application: Mercedes-Benz trailer suspension parts Material:QT450 Ductile iron casting Casting Process: Resin Sand Casting and Clay Sand Casting Standard: ASTM, AISI, DIN, BS and JIS Max Casting Size: 1200mm Casting Weight: 0.2~1000Kg Dimension Tolerance: CT5 Productivity: 300000 tons per year We can do many other trailer parts, Axle nut, brake drum, Container twist locks, bogie axle, Bogie bracket welding assembly, spring cushion housing, central rotating seat, turnnion block/seat, spring plate, king pin nut/jasser nut, Grease cap/hub cap, spring saddle bush, wheel hub etc. As a world class manufacturer & supplier of iron casting and steel casting, JW Insustry is one of the large-scale professional ferrous sand casting prodcution base in China, consisting of R&D, steel and Ductile iron Casting&CNC machining. Annually more than 300000 tons Investment and Sand casting parts are exported to markets in Europe,America , Southeast Asia, Middle East and Japan. OEM casting services are available according to customers requirements... Our wheel spider used for Mercedes-Benz style trailer are exported to the worldwide market every month, welcome your inquiry.