I.Intro: Based on horizontal continuous casting for cast iron profile(dense bar), we've developed new casting tech Vertical upward continuous casting in 2006, by using this tech we manufactured new kind of cast iron profiles ---Cast Iron Hollow Bar , which have been tested by chinese authority sector in mechanical industry and proved that the quality is much better than traditional sand-casting or centrifugal casting profiles . Our advantages including high density, zero deficiency, close final shape(tub...
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