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The DN4000 Ductile Iron Butterfly valve, the largest in domestic water diversion industry produced by our company, has been inspected and tested.

DN4000球鐵蝶閥是國內(nèi)目前引水行業(yè)應用大口徑的鑄鐵蝶閥，國內(nèi)有能力生產(chǎn)的企業(yè)非常少。公司從設計、鑄造、加工等多方面針對該產(chǎn)品進行創(chuàng)新，目前該產(chǎn)品已完成檢驗檢測，等待發(fā)貨。