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GB/T 31950-2023
- Certificate Number:91640100MADQME1J72
- Issue Date:2024-08-08
- Expiry Date:2027-08-07
- Scope:所建立的信用管理体系经审核符合 GB/T 31950-2023 的要求，认定为 AAA 级信用企业
- Issued By:国首（山西）信用评级有限责任公司
Q/GYSD1113-2023
- Certificate Number:91469001MADUME372L(1-2)
- Issue Date:2024-10-08
- Expiry Date:2027-10-07
- Scope:AAA 诚信经营示范单位证书
- Issued By:国首（山东）信用评估有限责任公司
Q/GYSD1113-2023
- Certificate Number:91469001MADUME372L(1-1)
- Issue Date:2024-10-08
- Expiry Date:2027-10-07
- Scope:所建立的信用管理体系经审查符合Q/GYSD1113-2023的要求认定为AAA信用等级证书
- Issued By:国誉（山东）信用评估有限责任公司
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