Our company offers various kinds of harvester blade, rotary tiller blade,harvester finger, helical blade, spiral blade,helical bladefor combine harvester , tool bar ,auger flight for ground dill , cutting blade assembly.We also provide some different kinds of salt indurstry machinery such as salt conveyer,salt-stacking machine, salt-collecting machine ,and plastic picking and laying machine. Our helical blades are widely used in a variety of harvester spirals, and different kinds of transmission devices,earth auger for grain processing machinery.We choose imported high quality steel , import special equipments,and use rolling technology . Processing range: diameter >=36mm, outer diameter <=800 mm, thickness <= 8mm, arbitrary length, arbitrary pitch. The product characterizes a smooth surface, high strength,good durability and cheapness.