Responsibillity for Klarint Material Technology Co.,Ltd. Orders Transferring to China AAB lndustry Technology Group in February 2026

Dear Valued Clients,

Thank you for your continued support and trust in Klarint Material Technology Co., Ltd.

To optimize our operations and enhance service quality, we hereby infom you of an adjustment regarding shipment arrangements:

Effective February 1, 2026, all orders originally handled by Klarint Material Technology Co., Ltd will beshipped and managed by China AAB Industry Technology Group.

Please note that this change involves only the entity responsible for shipment. All order tems, productquality, pricing, and after-sales service will remain unchanged.

We are confident that this adjustment will further improve delivery efficiency and customer experience.

Should you have any questions, please feel free to contact us.Thank you for your understanding and continued cooperation.

Sincerely,

Klarint Material Technology Co.,Ltd.

Date:January 29, 2026

Note:

Your main order contacts and communication channels will remain the same.

Shipping addresses and invoicing information will be issued under the name of China AAB Industry Technology Group. Detailed instructions will follow separately.