In 2015, one of the biggest soap boiler company want some AODD pumps for their production line of the factory. It will be used for pumping soap solution, detergent, lotion, cream, hand cream, etc. daily chemical industry. We make solutions from 1/2inch to 3inch PP material diaphragm pumps , finally they purchased dozens of pumps with different sizes. Until now the pumps still working very well, only replace the diaphragms. They are very satisfied with our pump quality. Now our customer prefer to buy more pumps from us to increase their production line.