Standard: Quality Management System Certificate Number: HZXQ10232R0S Issue Date: 2023-10-31 Expiry Date: 2026-10-30 Scope/Range: Assembly and processing of diesel generator sets Issued By: Huazhixin Certification (Guangdong) Co.,Ltd.

Standard: Environmental Management System Certificate Number: HZXE10233R0S Issue Date: 2023-10-31 Expiry Date: 2026-10-30 Scope/Range: Environmental management activities involved in the assembly and processing of diesel generator sets Issued By: Huazhixin Certification (Guangdong) Co.,Ltd.

Standard: Occupational Health Safety Management System Certificate Number: HZXS10234R0S Issue Date: 2023-10-31 Expiry Date: 2026-10-30 Scope/Range: Occupational health and safety management activities involved in the assembly and processing of diesel generator sets Issued By: Huazhixin Certification (Guangdong) Co.,Ltd.

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Standard: Number: Scope/Range: Issued By:

Standard: Work Safety Standardization Number: AQBHIIJX(粤)SD20210426 Issue Date: 2021-12-21 Expiry Date: 2024-12-31 Scope/Range: 安全生产标准化Ⅲ级企业 (小型、机械) Issued By: State Administration of Work Safety

Standard: CE Number: M.2023.206.C94658 Issue Date: 2023-12-26 Expiry Date: 2028-12-25 Scope/Range: Diesel generatorset Issued By: UDEM Intemational Certification Auditing Training Centre Industry and Trade Inc. Co.

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Standard: YUCHAI OEM Number: YCGD017 Issue Date: 2024-01-01 Expiry Date: 2024-12-31 Scope/Range: An engine for driving a generator set Issued By: GUANGXI YUCHAI MARINE AND GENSET POWER CO.,LTD.