... Machinability 3.OD:60-320mm 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 ... ,clamp ring Oil and Gasguide sleeves ,sealing ring, sliding sleeve Industrial machineries axis sleeve, gear, kawa, wear-resistant sleeve, grinding sleeve ...