Pr - 4000 four shafts series fully automatic cleaning metal parts ultrasound systems , mainly for the electrical , automotive pressure sensors , aluminium , iron , copper die - casting pieces , ductile iron disc , gangti , interior , piston ring , hydraulic parts , compressor parts , etc . mechanical hardware components , production processes or processing terminals cleansing 四槽系列全自动金属零件超声波清洗系统,主要用于电机汽车增压器铝铁铜压铸件,球墨铸铁件缸体壳体活塞环液压零件压缩机零件等等机械五金零件,生产加工过程工序间或终端的清洗。