Standard: UL Number: UL-US-2405462-0 Issue Date: 2024-03-04 Scope/Range: Over 600V liquid-filled distribution transformers, conforming to IEEE C57.12.00. Issued By: UL Solutions

Standard: UL Number: UL-US-2304763-0 Issue Date: 2023-02-08 Scope/Range: XPLH - Transformers, Distribution, Liquid-filled Type, Over 600 Volts Issued By: UL LLC

Standard: UDEM Number: M.2024.206.C106878 Issue Date: 2024-09-18 Expiry Date: 2029-09-17 Scope/Range: Dry-Type Amorphous Alloy Iron Core Distribution Transformer Issued By: UDEM International Certification Body

Standard: GB/T 45001-2020 / ISO 45001:2018 Number: No: 0070025S51731R6M Issue Date: 2025-07-25 Expiry Date: 2028-07-25 Scope/Range: DESIGN, DEVELOPMENT, PRODUCTION AND INSTALLATION SUPPORT SERVICE OF 220KV AND BELOW OIL-IMMERSED ELECTRIC POWER TRANSFORMER, DRY Issued By: Zhongjian Certification Co., Ltd.

Standard: Inspection Report Number: B2016083 Issue Date: 2012-05-28 Scope/Range: Three Phase Transformer Rated Voltage 220 + 10 - 6 x 1.5% / 121 / 11 kV, Power 180000/180000/90000 kVA, YNyn0d11 50 Hz, Cooling Issued By: CESI S.p.A.（Testing & Certification Division, Business Area Certification）

Standard: Factory Acceptance Test Report Number: TIC 3070-14 Issue Date: 2014-08-13 Scope/Range: Factory Acceptance Test on a Three-phase Power Transformer 63 MVA/110 kV Issued By: KEMA

Standard: CERTIFICATE OF CONFORMITY OF QUALITY MANAGEMENT SYSTEM CERTIFICATION Number: 0070025Q52524R8M Issue Date: 2025-07-25 Expiry Date: 2028-07-24 Scope/Range: DESIGN, DEVELOPMENT, PRODUCTION AND INSTALLATION SUPPORT SERVICE OF 220KV AND BELOW OIL-IMMERSED ELECTRIC POWER TRANSFORMER, DRY Issued By: Zhongjian Certification Co., Ltd.

Standard: CERTIFICATION OF REPORT Number: CTQC/B-11.093 Issue Date: 2024-03-24 Expiry Date: 2029-03-24 Scope/Range: Power transformer of model SZ11-8000/35 with serial number A02010110049, covering the following test items: routine tests, tempe Issued By: CHINA NATIONAL TRANSFORMER QUALITY SUPERVISION AND TESTING CENTER