Water Cooling Liquid Rotary Joint Swivel Joint Tengzhou Hongtian Rotary Joint Factory Base Info Model NO.:HDQStandard:GBMaterial:Stainless SteelConnection:FlangeSurface Treatment:Without TreatmentHead Type:RoundOrigin:Tengzhou, Shandong, China Description Pre:DIN912 High Quality Stainless Steel Socket Head Cap Screw with ISO Certification Next:1/2" Malleable Iron Pipe Floor Flange Threaded Fitting for Industrial Pipe Furniture and DIY Decor