Yuyao World Fire Fighting Equipment Factory ndi katswiri wopanga, wopanga chitukuko ndi kutumiza kunja mavavu amkuwa ndi amkuwa, flange, zitoliro zoyenererana ndi zida zapulasitiki ndi zina zotero. Tili ku Yuyao County ku Zhejiang, Abuts motsutsana ndi Shanghai, Hangzhou, Ningbo, pali malo okongola komanso osavuta kunyamula.Titha kupereka valavu zozimira, hydrant, nozzle spray, coupling, ma valves pachipata, ma valve oyendera ndi ma valve a mpira.