Wenzhou Haiwan Pump Co., Ltd is a leading and professional company with many years' experience in pump manufacturing. We specialize in products for many kinds of liquids(such as water, gasoline, lubricant, diesel, acid liquid etc.) Such as Oil Pump, Gear Oil Pump, Lubricant Pump, Oil Drum Pump, Self Priming Pump, Oil Transfer Pump, Centrifugal Pump etc. Especially Oil Drum Pump which got the National Invention Patents( Patent No: 9724399.4). All our pruducts passed ISO9001-2000 Certification ...