Dear customers and partners,

Thank you for your continuous support and trust! Due to the development of our company’s
business, our office address will be relocated to the following new address starting from May 29,
2025:

New Address:
Rm. 1807, T2-B, Wangjing SOHO, Chaoyang Dist., Beijing, 100102, China

During the relocation period, our company’s telephone numbers, email addresses, and other
contact information will remain unchanged. You can still reach us through the original channels.

We sincerely apologize for any inconvenience caused by the relocation and appreciate your
understanding!

With a new environment and a new starting point, we will provide even better services to
reciprocate your trust. We look forward to creating more wonderful achievements with you!

ChinaSourcing E&T Co., Ltd.