Notice Regarding the 2026 Mid-Autumn Festival and National Day Holiday Schedule

Dear Valued Customers and Partners,

With the Mid-Autumn Festival and National Day holidays approaching, we are pleased to announce our holiday schedule and related operational arrangements for 2026, in accordance with national statutory holiday regulations and our company's specific operations:

I. Holiday Schedule

Mid-Autumn Festival: September 25 (Friday) to September 27 (Sunday)—a total of 3 days. Normal operations resume on September 28.

National Day: October 1 (Thursday) to October 5 (Monday)—a total of 5 days. Normal operations resume on October 6.

II. Operational Arrangements

During the holiday period, services such as business inquiries, order processing, and logistics/shipping will be suspended. For urgent matters or after-sales support, please call our dedicated service hotline at 400-0532-448; we will arrange for a representative to provide the necessary assistance.

III. Friendly Reminder

To avoid any disruption to your business operations, please make the necessary arrangements and inventory plans in advance. We apologize for any inconvenience caused by the holiday closure.

As these two festivals approach, all of us at Qingdao Ruichen Sealing Technology Co., Ltd. wish you and your family a fulfilling Mid-Autumn Festival, a joyful National Day, and continued health and success in all your endeavors!

Qingdao Ruichen Sealing Technology Co., Ltd.

September 14, 2026