韩国SANG-A相阿3A旋转接头，低转速旋转接头，高转速旋转接头。

NRC04M5 SANG-ANRC04M6 NRC0401 NRC06M5 NRC06M6 NRC0601 NRC0602 NRC0801 NRC0802 NRC0803 NRC1003 NRC1004 NRC1203 SANWO NRC1204 NRC04G01 NRC06G01 NRC08G01 NRC08G02 NRC08G03 NRC10G03 NRC10G04 NRC12G03 NRC12G04 NRL04M5 NRL04M6 NRL0401 NRL06M5 DANHI NRL06M6 NRL0601 NRL0602 NRL0801 NRL0802 NRL0803 NRL1003 NRL1004 NRL1203 NRL1204 NRL04G01 NRL06G01 NRL06G02 NRL08G01 NRL08G02 NRL08G03 NRL10G03 SANG-A NRL10G04 NRL12G03 NRL12G04 NHRC04M5 NHRC04M6 SANWO NHRC0401 NHRC0601 NHRC0602 NHRC0801 NHRC0802 NHRC1003 NHRC1004 NHRC1203 NHRC1204 NHRC04G01 NHRC06G01 DANHI NHRC06G02 NHRC08G01 NHRC08G02 NHRC08G03 NHRC10G03 NHRC10G04 NHRC12G03 NHRC12G04 NHRL04M5 NHRL04M6 NHRL0401 SANG-A NHRL0601 NHRL0602 NHRL0801 NHRL0802 NHRL1003 NHRL1004 NHRL1203 NHRL1204 NHRL04G01 NHRL06G01 NHRL06G02 NHRL08G01 SANWO NHRL08G02 NHRL10G03 NHRL10G04 DANHI NHRL12G03 NHRL12G04 NHRF01-01 NHRF01-02 NHRF02-01 NHRF02-02 NHRF02-03 NHRF03-04 NHRF04-03 NHRF04-04 NHRFG01-G01 NHRFG01-G02 NHRFG02-G01 SANG-A NHRFG02-G02 NHRFG03-G03 NHRFG03-G04 SANWO NHRFG04-G03 NHRFG04-G04 NHRS01-01 NHRS01-02 NHRS02-01 NHRS02-02  NHRS03-03 NHRS03-04 NHRS04-03 NHRS04-04 NHRSG01-G01 DANHI NHRSG01-G02 NHRSG02-G01 NHRSG02-G02 NHRSG03-G03 NHRSG03-G04 NHRSG04-G03 NHRSG04-G04