Zhejiang YonJou Technology Co., Ltd sell "QBK Air Operated Diaphragm Pump"

The QBK air-operated double-diaphragm (AODD) pump is a versatile workhorse suited to a wide range of industries and fluids, standardizing operations on a single pump type. Wherever compressed air is available, the pump can be installed and later relocated or repurposed with ease. Its positive-displacement design offers efficient, low-maintenance handling of fluids requiring gentle, chemically aggressive, or physically demanding pumping action.