韩国SANG-A相阿气动元件,三A快速接头,3快插接头,旋转接头,回转接头,气动旋转接头,360度高速自转接头,水用旋转接头,气管万向接头,回转接头,高速高压旋转接头,冷却水铜旋转接头,360度水冷却旋转接头,高压塔吊喷淋万向接头,单双向通水旋转接头,通气旋转接头,通水旋转接头,内置轴承旋转接头:NRL04M5,NRL04M6,NRL0401,NRL06M5,NRL06M6,NRL0601,NRL0602,NRL0801,NRL0802,NRL0803,NRL1003,NRL1004,NRL1203,NRL1204,NRC04M5,NRC04M6,NRC0401,NRC06M5,NRC06M6,NRC0601,NRC0602,NRC0801,NRC0802,NRC0803,NRC1003,NRC1004,NRC1203,NRC1204。