Flexible HRC Coupling Fuzhou Dayouchang Transmission Hardware Co., Ltd. Base Info Material:["Cast Iron", "Cast Iron"]Type:HRCSurface:Black OxidedConnection:FlangeTrademark:C-KINGSpecification:INTERNATIONAL UNIVERSAL STANDARDOrigin:Fuzhou, ChinaHS Code:8483900000 Description Pre:DIN985 Nylon Nuts Next:Stainless Steel Flange Soprf JIS (15A--1500A)