Standard: ISO9001 Number: 0070019Q54194R0S Issue Date: 2019-11-30 Expiry Date: 2022-11-29 Scope/Range: Research&Development,Production and Sales of Transformer Test Equipment Automation System Issued By: Zhongjian Certification Co.,Ltd

Standard: CE Number: BST12120310Y-1EC-1 Issue Date: 2015-12-25 Scope/Range: Transformer Tester Series Issued By:

Standard: TUV Number: 19915508_P+T Issue Date: 2020-01-03 Expiry Date: 2021-01-02 Scope/Range: Issued By:

Standard: Software patent Number: 4837907 Issue Date: 2019-12-24 Scope/Range: Transformer testing system Issued By: National Copyright Administration of PRC

Standard: Software patent Number: 4070134 Issue Date: 2019-06-25 Scope/Range: Power-frequency Withstand Voltage Test system Issued By: National Copyright Administration of PRC

Standard: Software patent Number: 4071487 Issue Date: 2019-06-25 Scope/Range: Induced Withstand Voltage Test System Issued By: National Copyright Administration of PRC

Standard: Software patent Number: 4071401 Issue Date: 2019-06-25 Scope/Range: Transformer Load Loss Test System Issued By: National Copyright Administration of PRC