Standard: ISO 9001 Number: 031A20Q20109R0M Issue Date: 2020-05-09 Expiry Date: 2023-05-08 Scope/Range: Screen Pipe and Chemicals Issued By: Beijing Sanxing 9000 Certification Body

Standard: ISO 14001 Number: 031A18E20289R0M Issue Date: 2018-12-14 Expiry Date: 2021-12-13 Scope/Range: Screen Pipe and Chemicals Issued By: Beijing Sanxing 9000 Certification Body

Standard: OHSAS 18001 Number: 031A18S10272R0M Issue Date: 2018-12-14 Expiry Date: 2021-12-13 Scope/Range: Screen Pipe and Chemicals Issued By: Beijing Sanxing 9000 Certification Body

Standard: ISO 9001 Number: 10422Q00577R0S Issue Date: 2022-04-02 Expiry Date: 2025-04-01 Scope/Range: Screen Pipe and Drilling Fluid Chemicals Issued By: Shandong Seatone

Standard: ISO 14001 Number: 10421E01407R0S Issue Date: 2021-12-15 Expiry Date: 2024-12-14 Scope/Range: Screen Pipe and Chemicals Issued By: Shandong Seatone

Standard: ISO 45001 Number: 10421S01257R0S Issue Date: 2021-12-15 Expiry Date: 2024-12-14 Scope/Range: Screen Pipe and Chemicals Issued By: Shandong Seatone

Standard: API Q1 Number: Q1-4456 Issue Date: 2021-12-17 Expiry Date: 2024-12-17 Scope/Range: Slotted Pipe and Metal Mesh Sand Control Screen Pipe Issued By: American Petroleum Institute