Hebei Diefei Valve Co., Ltd., eyasungulwa ngo-1986, kuyinto imboni ezikhethekile ebutha aphakathi nendawo kanye ephansi kwengcindezi valve othuthukayo, yokukhiqiza nokuthengisa ndawonye. Sisungule Crane Ningjin Valve Co., Ltd ne Crane Valve USA emikhiqizweni 1995.Our eziyinhloko Butterfly valve, Hlola Valve, Isango Valve, Ball Valve, Valve Actuator nokunye.