... steel,zinc 2>Size:OD*Thickness30mm*1.5mm stainless steel water plug 1>Material:rion ,brass,stainless steel2>Size:OD*Thickness30mm ... order accepted First:Our XTSEAO company mainly manufacture various of water jacket plug with brass,stainless steel, Galvanization ,iron etc. ... Second:Our water jacket have been exported to Egypt,Iran,Taiwan etc,and ...