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By certification 
1.Special balance methods, which can adjust the amplitude design, user can adjust themselves best amplitude;
2.Level 1 belt drive, simple and reliable, with the change of convenient, quick;
3.NSK bearings imported, to minimize the failure rate;
4.High rigidity heavy screen ship, durable;
5.Internal, streamline design, no material deposition, no cross contamination;
6.Using high elastic composite material as the elastic support plate, sliding support board instead elastic support, effectively reduce the noise (150 210 using graphite hemisphere as supporting);
7.Transmission system and screen boat can be hanging in the whole building crane structure, and prefabricated available seat suspension frame.
