Standard: Certificate of Registration of Trade Mark Number: 1820477 Issue Date: 2017-01-14 Expiry Date: 2027-01-14 Scope/Range: Trading Issued By: Australian Trade Marks Register

Standard: Product Certification Number: 160206G0844N Issue Date: 2021-11-30 Expiry Date: 2024-11-30 Scope/Range: Hydraulic Machine Issued By: Jiangsu Provincial Department of Science and Technology

Standard: Enterprise Certification Number: / Issue Date: 2022-01-01 Expiry Date: 2030-06-01 Scope/Range: Rotary Drilling Rig Issued By: China Road Machinery Network

Standard: Enterprise Certification Number: / Issue Date: 2022-04-02 Expiry Date: 2030-04-02 Scope/Range: ALL Issued By: Shanghai Urban Construction Vocational College

Standard: Business certificate Number: / Issue Date: 2021-01-01 Expiry Date: 2030-01-01 Scope/Range: rotary drilling rig Issued By: State Grid

Standard: Certificate of Authorization Number: 001 Issue Date: 2022-12-10 Expiry Date: 2042-12-10 Scope/Range: drilling rig and drilling tools Issued By: tysim piling equipment co.,ltd

Standard: Product Certification Number: / Issue Date: 2021-02-22 Expiry Date: 2026-02-22 Scope/Range: hydraulic pile breaker Issued By: szutest uygunluk degerlendirme a.s

Standard: Product Certification Number: HPIVS/VM1003-051-1-01 Issue Date: 2018-04-26 Expiry Date: 2023-04-25 Scope/Range: clamshell telescopic arm Issued By: HPi Verification Services Ltd

Standard: Product Certification Number: / Issue Date: 2022-04-20 Expiry Date: 2027-04-20 Scope/Range: rotary drilling rig Issued By: szutest uygunluk degerlendirme a.s