Telecomunications
For SDH multiplexers 2022-03-17 No. 22NU-104
For radio relay equipment (2021-02-18 No. 21NU-57)
For industrial data network switch (2021-02-15 No. 21NU-52)
For ethernet media converters (2021-02-05 No. 21NU-45)
For communication manhole 2020-11-23 No. 20NU-422
For design of optical fiber cable (2020-10-13 No. 20NU-358)
For design of OPGW splice enclosure (2020-10-07 No. 20NU-352)
For communication protection pipes (2020-06-09 No. 20NU-191)
For telecommunications power supply (2020-06-02 No. 20NU-186)
For core router (2020-05-27 No. 20NU-177)
For MPLS router (2019-12-27 No. 19NU-469)
For general purpose access router (2019-05-17 No. 19NU-155)
For substation time synchronization equipment (2019-04-26 No.19NU-127)
For remote terminal units (substation gateways) (2019-04-26 No. 19NU-127)
For optical fiber patch cables (2018-06-18 Nr. NU-177)
For telecomunications indoor cabinets (2017-12-01 No. NU-271)
For optical distribution frame(ODF) (2014-11-25 No. NU-312)