... dense bar),we've developed new casting tech ‘Vertical upward continuous casting’ in 2006, by using this tech we manufactured new ... ,metallurgical equipment etc.Meantime, we also supply related products in blank, such as cylinder liner,piston ring,ADI bushing, ... sand casting,and no pore,sonim... Adapt to strict requirments in precise manufacturing. Application fields: FieldPart name machine toolsleeve , ...