How to choose a suitable screw conveyor?

 How to choose a suitable screw conveyor is what many customers want when purchasing. Most screw conveyors are non-standard products, so when customers make purchases, the manufacturer will ask them to provide detailed parameters so that they can design screw conveyors that are suitable for their customers. So how can customers know if they are suitable for their own use when making a purchase? Actually, we only need to pay attention to these points: