[National Day & Mid-Autumn Festival] WPTEC (Changzhou) Holiday Notice and Festival Greetings

To Our Respected Partners and Clients,

As the golden autumn brings refreshing breezes and the air is filled with the fragrance of ripe fruits, we at WPTEC extend our most sincere greetings to you on the occasion of the dual celebration of the 76th anniversary of the founding of our motherland and the Mid-Autumn Festival! To facilitate your arrangement of business connections and cooperation matters, in accordance with the national statutory holiday regulations, we hereby announce our company's National Day and Mid-Autumn Festival holiday schedule for 2025 as follows:

Holiday Schedule

• Holiday Period: From Wednesday, October 1, 2025 to Wednesday, October 8, 2025, totaling 8 days.

• Resumption of Services: Starting from Thursday, October 9, 2025, all business operations of the company will return to normal, and our team will wholeheartedly provide you with professional services.

Double Festival Greetings

The land is splendid, and the moon is full on Mid-Autumn Festival. On this beautiful holiday that combines the feelings of patriotism for the motherland and the warmth of family reunion, we wish you could, during this 8-day vacation, not only admire the bright Mid-Autumn moon with your family and enjoy the joy of reunion, but also feel the prosperity and beauty of the motherland amid the festive atmosphere of National Day.

We look forward to continuing to walk hand in hand with you after the holiday, exploring new cooperation opportunities and creating new development values together!

Finally, we once again wish you and your family a happy National Day, a healthy Mid-Autumn Festival, a pleasant vacation and all the best!

WPTEC

September 28, 2025