Period : 2023/7/17 - 2026/7/17
Certification bodies : American Petroleum Institute
Period : 2022/11/7 - 2025/11/7
Certification bodies : Ministry of Industry and Information Technology
Period : 2023/5/18 - 2029/5/17
No. : CNAS L18358
Certification bodies : CNCA,APAC,ILAC
Period : 2023/1/2 - 2028/1/1
No. : PML-T2316300
Certification bodies : ABS Shanghai
Period : 2022/9/29 - 2025/9/28
No. : AMMM00002ZZ
Certification bodies : Dalian NB & CMC
Period : 2016/11/13 - 2019/11/13
Certification bodies : China Steel Structure Association
Period : 2017/4/1 - 2026/3/31
Certification bodies : Integrity Working Committee of China Marketing Soc
Period : 2020/12/29 - 2024/12/28
Certification bodies : BEIJING ECI
Period : 2021/10/13 - 2024/10/12
Certification bodies : KSA
Period : 2019/3/15 - 2022/3/14
Certification bodies : SDCB
Period : 2017/11/16 - 2021/10/25
Certification bodies : BV Shanghai
Period : 2019/11/14 - 2022/11/13
No. : BJG6023851/A
Certification bodies : Lloyd's Register Verification
Period : 2021/8/23 - 2024/8/22
No. : 2814/CPR/0038/CPR/SHA/BJG6023851/A
Certification bodies : Lloyd's Register Verification B.V.
No. : 2814/CPR/0038/CPR/SHA/BJG6023851/B