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1 Refrigeration permit 2024-5-20 17:28:22
2 Explosion proof permit 2024-5-20 17:29:06
3 Nuclear level permit 2024-5-20 17:29:51
4 Nuclear level permit 2024-5-20 17:30:13
5 Qualified Supplier of China National Nuclear Corporation 2024-5-20 17:35:48
6 Radiation safety permit 2024-5-20 17:36:44
7 ISO 9001:2015 2024-5-20 17:44:18
8 ISO45001:2018 2024-5-20 17:44:27
9 ISO 14001:2015 2024-5-20 17:44:00
10 AMCA certification 2024-5-20 17:58:02
11 Certificate of compliance 2024-5-20 17:58:45
12 Lab accreditation certificate 2024-5-20 17:59:57
13 National mandatory certification for explosion-proof 3C 2024-5-20 18:01:25
14 Explosion proof certificate of axial flow smoke exhaust fan 2024-5-20 18:02:15
15 Fire and smoke exhaust valve explosion-proof certificate 2024-5-20 18:02:51
16 Explosion proof certificate 2024-5-20 18:03:40

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