Standard: CE certificate Number: ICR/VC/HM230577 Issue Date: 2023-05-26 Expiry Date: 2028-05-25 Scope/Range: Electrochemical workstation Issued By: ICR Co. Ltd.

Standard: ISO9001 Number: 17417Q20347R2M Issue Date: 2017-05-27 Expiry Date: 2026-05-26 Scope/Range: R&D and Manufacture of electrochemical workstation, corrosion measurementand monitoring instrument (except for qualification per Issued By: HXC (Beijing) Certification center

Standard: High-Tech Enterprise Number: GR201942000943 Issue Date: 2022-11-09 Expiry Date: 2025-11-02 Scope/Range: Issued By: Department of Science and Technology of Hubei Province

Standard: Business Licence Number: Scope/Range: Issued By: Wuhan Market Supervision and Administration Bureau

Standard: Creditable and contract-honoured Enterprise Number: WHSZQY20241843 Issue Date: 2024-09-10 Scope/Range: Issued By: Wuhan Market Supervision and Administration Bureau

Standard: After-sales Service Certification-Five star standard Number: 17423F010080R0S Issue Date: 2023-07-05 Expiry Date: 2026-07-04 Scope/Range: Issued By:

Standard: ISO14001 Number: 17421E20224R1M Issue Date: 2021-02-24 Expiry Date: 2027-02-23 Scope/Range: Issued By: HXC (Beijing) Certification center

Standard: ISO45001 Number: 17421S20234R1M Issue Date: 2021-02-24 Expiry Date: 2027-02-23 Scope/Range: Issued By: HXC (Beijing) Certification center

Standard: Trademark Number: 6512480 Issue Date: 2010-04-07 Expiry Date: 2030-04-06 Scope/Range: Issued By: State Intellectual Property Office

Standard: Patents Number: Scope/Range: Issued By: State Intellectual Property Office

Standard: Software copyright Number: Scope/Range: Issued By: National Copyright Administration