According to the notice of the General Office on the arrangement of some holidays in 2023, and combined with the actual situation of our company, we hereby notify the following matters related to the five holidays:

Labor Day: May 1st to May 5th, a total of 5 days off. Work as usual on Thursday, May 6th.

2、 All employees of the company should maintain smooth communication during holidays to meet the needs of the company's work.

3、 The company will notify you of holiday activities separately. We hope that all employees will pay attention to their personal and financial safety during the holiday period and have a pleasant holiday.

4During the holiday period, customers who need business dealings can contact our sales representatives anytime, 24 hours a day online!

Hereby notify!

Chongqing Tongrui Filter Equipment Manufacturing Co., Ltd

Date: April 27, 2023