| The left-wound and right-wound spirals are fitted Tightly together althernately and jointed with straight Rods. A4 uses 4 rods for one spiral to joint. A3 uses  3 rods for one spiral to joint. 1. Since the surface is flat and smooth ,the belts can Carry small items and unstable products.
 2.The allowable tension is high,so that heavy load
 Can be transported.
 3.The belt strength against pressure high,so that
 The belts can be used for processing under pressure.
 4. The belts can be used at haigh temperature.
 5. The belt can be used for textile producs refining
 And cleaning process.
 The belt can be used for textile producs refining
 And cleaning process.
 
 
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