National Day holiday notice

Dear customers and friends

The National Day holiday schedule of Yidu Company is as follows:

There will be a holiday from October 1st to 8th, 2025, for a total of 8 days.

During the holiday period, if you need to inquire about information related to Yidu products, please call Yidu's 24-hour product service hotline.

Finally, I wish everyone a happy holiday!

Shaanxi Yidu Intelligent Technology Co., Ltd. September 30, 2025

About Yidu

Shaanxi Yidu Intelligent Technology Co., Ltd. (referred to as "Yidu") is an enterprise dedicated to the research and development of high-precision laminar flow mass flow meters and controllers. It is currently the only known manufacturer of laminar flow mass flow meters and controllers in China that has been certified by the Chinese Academy of Metrology. It is also the second high-tech enterprise capable of producing universal laminar flow mass flow meters.

Yidu has been committed to independent research and development for over ten years, possessing unique professional advantages, technological accumulation, and innovation capabilities in the fields of laminar pressure differential technology, microfluidics measurement and control, as well as fluid mechanics, materials science, embedded hardware and software development. We have independently developed laminar flow mass flow meters and controllers with intellectual property rights, which have core advantages such as high repeatability, high precision, and fast response. We provide high-quality products and technical solutions for manufacturing and scientific research fields such as metrology calibration, airtightness testing, biopharmaceuticals, new materials, new energy, semiconductors, and information communication.

The company currently has its Xi'an headquarters as its research and development and production center, while setting up offices in key regions across the country as after-sales and service centers. It has formed a marketing system and localized technical service system that spans the north and south. At the same time, we actively explore overseas markets and our products have been sold around the world, including Europe, North America, Southeast Asia, and the Middle East.