Quality

Standard: QUALITY MANAGEMENT SYSTEM CERTIFICATION Number: 03421Q50711R0M Issue Date: 2021-05-27 Expiry Date: 2024-05-26 Scope/Range: Titanium and titanium alloy products, non-ferrous metal products production and service Issued By: BEIJING HANGXIE CERTIFICATION CENTER CO., LTD.

Standard: MILITARY HARDWARE QUALITY MANAGEMENT SYSTEM CERTIFICATION Number: Issue Date: 2021-05-27 Expiry Date: 2024-05-26 Scope/Range: Titanium and titanium alloy products, non-ferrous metal products production and service Issued By: BEIJING HANGXIE CERTIFICATION CENTER CO., LTD.

Standard: High-tech Enterprise Certificate Number: GR202061000652 Issue Date: 2020-12-01 Expiry Date: 2023-12-01 Scope/Range: Issued By: Shaanxi Province Science and Technology DepartmentDepartment

Standard: Shaanxi Province AAA Reputation Enterprise Number: Issue Date: 2019-01-01 Scope/Range: Issued By: Shaanxi Province Product Quality Management Center