Dear Valued Customers, Partners, and Business Associates,

We are pleased to announce that, effective immediately (September 9, 2026), our company has officially changed its name from:

Senshengbang (Guangdong) Polymer Materials Co., Ltd.

to:

SESHBOND (Guangdong) Polymer Materials Co., Ltd.

This change reflects our continued commitment to brand development and business growth. It does not affect our legal entity status, ownership structure, or any existing rights and obligations.

All contracts, agreements, invoices, and other business documents previously issued under the former name remain valid and will continue to be honored in full by the company under its new name. We kindly ask you to update our company name in your records, systems, and banking information accordingly.

We sincerely appreciate your continued trust and support, and look forward to our ongoing cooperation.

Should you have any questions, please do not hesitate to contact us.

Sincerely,

SESHBOND (Guangdong) Polymer Materials Co., Ltd.

September 9, 2026