Period : 2021/1/7 - 2025/1/6
Certification bodies : BALAI BESAR TEKNOLOGI KEKUATAN STRUKTUR
Period : 2024/1/21 - 2027/1/20
Certification bodies : NQA Certification Limited
Period : 2023/5/19 - 2026/5/24
Certification bodies : Beijing Zhong Hua Combination Certification Co.,Lt
Period : 2021/11/17 - 2025/1/23
Certification bodies : SHANGHAI SAILWAY CERTIFICATION CO.,LTD.
Period : 2021/11/17 - 2024/11/16
Period : 2023/6/14 - 2026/6/13