To all customers and colleagues:

In accordance with the national statutory holiday schedule and considering the characteristics of our company's Inhalation Machine production lineand actual production needs, the holiday arrangements for the 2026 May Day holiday are hereby announced as follows:

I. Holiday Period

May 1st (Thursday) to May 5th (Monday), 2026, a total of 5 days off.

II. Work Arrangements

All departments should complete work handover before the end of the workday on April 30th to ensure that the customer service hotline is open during the holiday and can respond to customer needs promptly.

Hydrogen Inhalation Machine line are requested to complete equipment inspections and safety checks by April 30th to prepare for resumption of production after the holiday.

Our Hydrogen Inhalation machine sales and technical support teams will keep their mobile phones accessible and be prepared for emergency services.If you have any problems,pls contact us with +86 135 3843 9078(WhatsApp).

III. Warm Reminders

During the holiday, please close doors and windows, turn off the power, and take precautions against fire and theft. Employees traveling should pay attention to travel safety and take personal protective measures. Please return to work on time after the holiday and be ready to return to work with full energy.

Thank you for your hard work! Wishing everyone a happy and safe May Day holiday!

Dongguan Lirui Technology Co.,LTD

April 29, 2026