... butterfly valve body casting 1best price&superior quality 2advanced equipment&skilled worker 3strict QC OEM precision butterfly valve body casting1: ... sand casting, investment casting,water glass casting,high temperature resistance casting,forging ,machiningPRODUCT CATEGORY:lathe partvalve ... KaelynDalian Wills Machine Co.,Ltd(Dalian Long Xin Foundry)No.6, Taiping Industrial Zone,Pulandian, Dalian, ...