| 1 | Military and civilian equipment and electrical and electronic products | 2 | Shock | Cut-out cock for EMU/DMU TB/T 3456-2016 5.5 |
| Cut-out cock for locomotive and rolling stock TB/T 3003-2013 5.8 |
| Cut-out cock for locomotive and rolling stock TB/T 3003-2013 5.8 |
| Cut-out cock for locomotive and rolling stock TB/T 3003-2013 5.8 |
| Cut-out cock for locomotive and rolling stock TB/T 3003-2013 5.8 |
| Cut-out cock for locomotive and rolling stock TB/T 3003-2013 5.8 |
| Cut-out cock for locomotive and rolling stock TB/T 3003-2013 5.8 |
| Cut-out cock for locomotive and rolling stock TB/T 3003-2013 5.8 |
| Cut-out cock for locomotive and rolling stock TB/T 3003-2013 5.8 |
| Cut-out cock for locomotive and rolling stock TB/T 3003-2013 5.8 |
| Cut-out cock for locomotive and rolling stock TB/T 3003-2013 5.8 |
| Cut-out cock for locomotive and rolling stock TB/T 3003-2013 5.8 |
| Cut-out cock for locomotive and rolling stock TB/T 3003-2013 5.8 |
| Cut-out cock for locomotive and rolling stock TB/T 3003-2013 5.8 |
| Cut-out cock for locomotive and rolling stock TB/T 3003-2013 5.8 |
| Cut-out cock for locomotive and rolling stock TB/T 3003-2013 5.8 |
| Cut-out cock for locomotive and rolling stock TB/T 3003-2013 5.8 |
| Cut-out cock for locomotive and rolling stock TB/T 3003-2013 5.8 |
| Wind turbine generator system technical specification of electric pitch system NB/T 31018-2018 5.3.15 |
| Wind turbine generator system technical specification of electric pitch system NB/T 31018-2018 5.3.15 |
