... .envoroment protection 2.ship craft 3.petroluem industry 4.pharmacy 5.chemical industry 6.food industry.... G Series Screw Pump1.Applicablethis pump is ... to environment protection,ship craft,petroluem chemical industry,medicament,food industry,brewage, construction industry,mine,printing industry,paper-making industry etc.2.Technical parameter: 1).Caliber ...