What series is the water seal of Fengqiu brand self-priming pump?

Rich ball WQ series. Official website of Fengqiu Group Co., Ltd. shows that the series of water seal of Fengqiu brand self-priming pump is Fengqiu WQ series. Self-priming pump is a kind of self-priming centrifugal pump, which has the advantages of compact structure, convenient operation, stable operation, easy maintenance, high efficiency, long service life and strong self-priming ability.