QBK air operated double diaphragm pumps Introduction QBK is coosai's new developed series of AODD pump which is also the third generation, it has the virtue of long service life

Introduction QBY2 air operated diaphragm pumps not only can exhaust the flow liquid,but also can convery some uneasy flowed medium, with the merits the merits of self-pumping pump, diving pump,sh

Introduction DBY2 serues of electric diaphragm pump is a new kind of pumps,in recent years,due to lack of material has made breakthrough progress in the international community more and more indu