Standard: High-Tech Enterprises Certificate Number: GR201532001421 Issue Date: 2015-10-10 Expiry Date: 2018-10-09 Scope/Range: TYSIM PILING EQUIPMENT CO., LTD Issued By: JiangSu Province Government

Standard: High-Tech Small and Middle Enterprise of Jiangsu Certificate Number: 14320200KJQY000466 Issue Date: 2014-08-04 Expiry Date: 2016-08-03 Scope/Range: TYSIM PILING EQUIPMENT CO., LTD Issued By: Wuxi City Government

Standard: Private Science and Technology Enterprises of Jiangsu Certificate Number: 1-20150237 Scope/Range: TYSIM PILING EQUIPMENT CO., LTD Issued By: Jiangsu Province Government

Standard: CE Certificate Number: GB/1067/5747/16 Issue Date: 2016-02-04 Expiry Date: 2021-12-31 Scope/Range: Rotary Drilling Rig Issued By: AV TECHNOLOGY

Standard: CE Certificate Number: GB/1067/5666/15 Issue Date: 2015-12-23 Expiry Date: 2020-12-31 Scope/Range: Hydraulic Pile Breaker Issued By: AV TECHNOLOGY

Standard: CE Certificate Number: HPiVS/VM1003-051-l-01 Issue Date: 2018-04-26 Expiry Date: 2023-04-25 Scope/Range: Clamshell Telescopic Arm Issued By: HPi Verification Services Ltd.

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: CE Certificate Number: GB/1067/5387/14 Issue Date: 2017-12-05 Expiry Date: 2022-12-31 Scope/Range: KR220C&KR285C Rotary Drilling Rig Issued By: AV TECHNOLOGY

Standard: ISO9001:2015 Number: 05138Q31648RIM Issue Date: 2018-09-20 Expiry Date: 2021-09-19 Scope/Range: rotary drilling rig, hydraulic pile breaker Issued By: BEIJING NGV CERTIFICATION

Standard: KR125A Star Product Award Number: Issue Date: 2018-10-16 Scope/Range: Issued By: China construction machinery industry association

Standard: KR220C Star Product Award Number: Issue Date: 2019-09-03 Scope/Range: Issued By: China construction machinery industry association