... tech ‘Vertical upward continuous casting’ in 2006, by using this tech we manufactured new kindof cast ... railway vehicle, oil machine,engineering machine,auto parts,compressor, hydraulic and pneumatics,chemical pump, machinetool,metallurgical ... equipmentcasting lift tube ,suction tube, thermocouple protect tube Air-condition compression machinerolling piston ring Automotivedry cylinder liner, piston ...