| 1 | Military and civilian equipment and electrical and electronic products | 5 | Low temperature test | Front hatch mechanism of EMU/DMU TB/T 3458-2016 6.10 |
| Front hatch mechanism of EMU/DMU TB/T 3458-2016 6.10 |
| Front hatch mechanism of EMU/DMU TB/T 3458-2016 6.10 |
| Electrical cubicle for locomotive TB/T 1508-2016 6.7 |
| Electrical cubicle for locomotive TB/T 1508-2016 6.7 |
| Electrical cubicle for locomotive TB/T 1508-2016 6.7 |
| Electrical cubicle for locomotive TB/T 1508-2016 6.7 |
| High and low temperature testing methods for parts of railway signaling TB/T 2953-2015 |
| High and low temperature testing methods for parts of railway signaling TB/T 2953-2015 |
| High and low temperature testing methods for parts of railway signaling TB/T 2953-2015 |
| High and low temperature testing methods for parts of railway signaling TB/T 2953-2015 |
| Switch machine for railway - Part 2: Test methods GB/T 25338.2-2019 5.10 |
| Switch machine for railway - Part 2: Test methods GB/T 25338.2-2019 5.10 |
| Switch machine for railway - Part 2: Test methods GB/T 25338.2-2019 5.10 |
| Switch machine for railway - Part 2: Test methods GB/T 25338.2-2019 5.10 |
| Air conditioning unit for railway passenger car TB/T 1804-2017 6.4.23 |
| Air conditioning unit for railway passenger car TB/T 1804-2017 6.4.23 |
| Air conditioning unit for railway passenger car TB/T 1804-2017 6.4.23 |
| Air conditioning unit for railway passenger car TB/T 1804-2017 6.4.23 |
| Toilet system for railway passenger car and multiple unit TB/T 3338-2013 6.14 |