Blanking Flange/Vacuum Flange Shanghai Evp Vacum Technology Co., Ltd Base Info Type:Welding FlangeMaterial:Stainless SteelManufacturing Way:CastingTrademark:EVP VACUUMSpecification:CE, ISOOrigin:ChinaHS Code:8414909090 Description Pre:Hex Bolts 4.8/8.8/10.9/12.9/A2/A4 Next:Welded Neck Flange