Since cooperated successfully with manufacturers from home and abroad for almost 30 years, we are able to supply high- grade idlers featuring reasonable structure, low resistance coefficient, long lifetime (more than 20, 000 hours) and a fine waterproof performance. With high precision welding pipes, seamless tubes, steel plates and other materials impact forming bearing and iron-casting seats, maze-like multiple closed parts. The body of the roller and the bearing seat are welded as an integrated one by extrusion and Argon guarantee welding.
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