... profile(dense bar),we've developed new casting tech ‘Vertical upward continuous casting’ in 2006, by using this tech we ... , oil machine,engineering machine,auto parts,compressor, hydraulic and pneumatics,chemical pump, machinetool,metallurgical equipment etc.Meantime, ... be 5 times than sand casting,and no pore,sonim... Adapt to strict requirments in precise manufacturing. Application fields: ...