Tested by the China National Fisheries Machinery and Instrument Quality Supervision and Inspection Center in July 2009, all nine parameters show that Jinhulong paddle wheel ae「ato「has proved to meet the requirement of industrial standard SC/T6017-1999, including oxygen transfer「ate at 2.59kg/h, surpassing the standard 36.3%, power efficiency at 1.71 kg/k.W.h, surpassing the standard 36.8%. All test results show our paddle wheel aerator will make significant effect on sewage discharging at the bottom of the semi-intensive and intensive ponds. https://www.chinaaerator.net/product/impeller-aerator/