Packaging Upgrade Notice

Dear Valued Customer,

Greetings!

Thank you for your continued trust and support of our products. In order to enhance the market position and brand value of CATO reference standards, and in response to market demand and customer feedback, Guangzhou CATO Technology Co., Ltd. is pleased to announce a comprehensive upgrade to the external packaging of our CATO reference standards.

This upgrade is the result of in-depth market research and thoughtful design, aimed at delivering greater convenience and added value to our customers.

Highlights of the New Packaging:

• Bottom Snap-Fit Design: Modular assembly for efficient storage
• Writable Cap: Easy labeling and clear identification
• Erasable Surface: Supports repeated use
• Tamper-Evident Lock: Clear indication of product opening

New Packaging Preview:

(Patent secured—unauthorized imitation prohibited)

We understand that every change reflects a renewed commitment of trust. Our supply chain team has completed the necessary upgrades to our inventory management systems across all channels to ensure seamless service continuity.

For more details, please visit our website at www.cato-chem.com or contact your local account manager.

Thank you once again for your continued support of Guangzhou CATO Technology Co., Ltd.

Sincerely,

Guangzhou CATO Technology Co., Ltd.

May 19, 2025