Standard: ISO9001 Number: QAIC/CN/131563 Issue Date: 2020-12-22 Expiry Date: 2021-12-21 Scope/Range: The Manufacture of Bushings and Conductive Rods to be used in Voltage Transformers. Issued By: QA international

Standard: ISO14001:2015 Number: 06519E30254ROM Issue Date: 2019-05-22 Expiry Date: 2022-05-21 Scope/Range: Hebei Yachen Electric Co., Ltd.,environmental management activities related to transformer insulation accessory processing Issued By: Management system CNAS C065-M

Standard: OHSAS18001:2007 Number: 06519S20229ROM Issue Date: 2019-05-22 Expiry Date: 2021-03-11 Scope/Range: Hebei Yachen Electric Co., Ltd., occupational health and safety management activities related to transformer insulation accessor Issued By: Management system CNAS C065-M

Standard: ISO9001 Number: QAIC/CN/131563 Issue Date: 2020-12-22 Expiry Date: 2021-12-21 Scope/Range: The Manufacture of Bushings and Conductive Rods to be used in Voltage Transformers. Issued By: QA international

Standard: ISO14001:2015 Number: 06519E30254ROM Issue Date: 2019-05-22 Expiry Date: 2022-05-21 Scope/Range: Hebei Yachen Electric Co., Ltd.,environmental management activities related to transformer insulation accessory processing Issued By: Management system CNAS C065-M

Standard: OHSAS18001:2007 Number: 06519S20229ROM Issue Date: 2019-05-22 Expiry Date: 2021-03-11 Scope/Range: Hebei Yachen Electric Co., Ltd., occupational health and safety management activities related to transformer insulation accessor Issued By: Management system CNAS C065-M

Standard: ISO 14001:2015 Number: 06522E00546R1M Issue Date: 2022-05-31 Expiry Date: 2025-05-30 Scope/Range: Transformer insulation accessories processing and related management activities Issued By: China Federation Of Logistics Certification Center

Standard: ISO 9001:2015 Number: QAIC/CN/131563 Issue Date: 2024-01-02 Expiry Date: 2026-12-21 Scope/Range: The Manufacture of Bushings and Conductive Rods to be used in Voltage Transformers Issued By: AMTIVO China Limited

Standard: ISO 45001:2018 Number: 06522S00509R1M Issue Date: 2022-05-31 Expiry Date: 2025-05-30 Scope/Range: Transformer insulation accessories processing and related management activities Issued By: China Federation Of Logistics Certification Center

Standard: CE Number: M.2024.206.C110784 Issue Date: 2024-12-03 Expiry Date: 2029-12-03 Scope/Range: Issued By: