Standard: ISO 9001:2008 Number: 10415Q21492R2M Issue Date: 2019-02-15 Expiry Date: 2021-02-14 Scope/Range: Communication towers, mast Issued By: Shandong Seatone

Standard: Environmental management system Number: 10415E10635R10 Issue Date: 2019-02-15 Expiry Date: 2021-02-14 Scope/Range: Communication towers, mast Issued By: Shandong Seatone

Standard: OHSAS 18001:2007 Number: 10145S20524R1M Issue Date: 2019-02-15 Expiry Date: 2021-02-14 Scope/Range: Communication towers, mast Issued By: Shandong Seatone

Standard: National production license Number: XK04-002-00403 Issue Date: 2019-12-26 Expiry Date: 2022-12-25 Scope/Range: Issued By:

Standard: AWS Welding certificate Number: Scope/Range: Issued By:

Standard: ISO 9001 Number: 20229Q1006R0S Issue Date: 2019-12-26 Expiry Date: 2022-12-25 Scope/Range: Issued By:

Standard: ISO 14001 Number: 20229E1006R0S Issue Date: 2019-12-26 Expiry Date: 2022-12-25 Scope/Range: Issued By:

Standard: ISO18001 Number: 20229S1006R0S Issue Date: 2019-12-26 Expiry Date: 2022-12-25 Scope/Range: Issued By: