Quality

Standard: QUALITY MANAGEMENT SYSTEM CERTIFICATE Number: 04617Q10683R0S Issue Date: 2021-03-13 Expiry Date: 2024-03-13 Scope/Range: QUALITY MANAGEMENT Issued By: 北京海德国际认证有限公司

Standard: QUALITY MANAGEMENT SYSTEM CERTIFICATE Number: 0350322Q30324R0S Issue Date: 2022-05-23 Expiry Date: 2025-05-23 Scope/Range: QUALITY MANAGEMENT Issued By: XINGYUAN CERTIFICATION CENTRE CO., LTD.(XQCC)

Standard: ENVIRONMENTAL FRIENDLY CERTIFICATION Number: ACSCG-16011031 Issue Date: 2020-11-30 Expiry Date: 2022-12-01 Scope/Range: ENVIRONMENTAL FRIENDLY MANAGEMENT Issued By: www.acscg.org

Standard: HIGH-TECH ENTERPRISES CERTIFICATION Number: GR202144002868 Issue Date: 2021-12-20 Expiry Date: 2024-12-21 Scope/Range: HIGH-TECH ENTERPRISES CERTIFICATION Issued By: Guangdong Provincial Department of Science and Technology