Welding Neck Flange Baoding Dong Ding Trade Co., Ltd. Base Info Model NO.:WELDING-NECK FLANGEStandard:DINType:Welding FlangeMaterial:Carbon SteelTrademark:DONGDINGSpecification:DINOrigin:ChinaHS Code:7307910000 Description Pre:Slip-on Flange Next:Blue Zinc Plated Painted Hex Washer Head Self Drilling Screw (CH-SCREW-003)