Usually Wuxi Changrong design and make screw conveyors whose diameter ranges from 35mm to 1500mm.
The screw diameter is subject to the capacity of screw conveyors.
Recently Wuxi Changrong developed and produced a new kind of short small screw shaft .These short screw shafts are assembled in a big machine ,to rotate all the time.
The short small screw shaft is made up of one head shaft + one piece of shaftless + on piece of shafted screw flight.
The surface treatment is polisehd into 300 meshes.
Warranty period is 12 months after start up on site and 18 months after delivery ,whichever occurs first.www.wxconveyor.com