Zhixin Sea Technology Partners:

Due to business development needs, Core Sea Technology (Shenzhen) Co., LTD. (hereinafter referred to as the "Company") will move to a new office site starting from October 25, 2021, and hereby inform you of the relevant matters as follows:

1. Company office address changed to:

3F, Block A, Building 2, Shenzhen Bay Innovation and Technology Center, 3156 Keyuan South Road, Yuehai Street, Nanshan District, Shenzhen

邮编：518057

Subway line: Exit C of Keyuan Subway Station on Line 2

Driving route: Navigate to "Shenzhen Bay Innovation and Technology Center"

From October 25, 2021, please express or post invoices, contracts, letters, etc. to the above address。

2. Warehouse delivery address remains unchanged

11th floor, Fusen Building, Huaxia Second Road, Guangming District, Shenzhen

邮编：518107

3. Company telephone, fax, official website remains unchanged

总机：0755-86169257

传真：0755-86169057

Official website: www.hfzawed.com

4. After the change of the company's address, the original signed contract continues to be valid, the original business relations and service commitments remain unchanged, and all the business of the company will operate normally during the relocation。

We apologize for any inconvenience caused by the company relocation!Our company will take this relocation as a new starting point to further provide you with better quality products and services, and develop together with you. Thank you again for your long-term trust and support for Core Sea Technology!

Good luck, Shang Qi!

Core Sea Technology (Shenzhen) Co., LTD

October 11, 2021