ATO, a leading and professional industrial measuring flow meter manufacturers in China. We provides high quality magnetic flow meters, vortex flow meters, liquid flow meters, portable clamp-on ultrasonic flow meters, digital gas flow meters, gas mass flow meters and other flow meter accessories. Various models are available for your choice. All are brand new items directly shipped from our Chinese factories with a full warranty and at considerable savings. Our flowmeters are widely used in Industrial and agricultural production, scientific research, trade, transportation, construction and water conservancy.
ATO has more than ten years of flow meter research development and manufacturing experience. A number of technical talents are experts in the field of flow meter research and development in China earlier. Factory in ATO meets international standards and are mainly sold to Europe, the United States, Southeast Asia, and South Africa. We are looking forward to your inquiries for future cooperation.

Our Core Values:

  1. Competitive Pricing. We promise that you can use the most affordable price to buy the best quality relays.
  2. Huge Inventory. We offer a wide variety of relays.
  3. Service Available. A number of technical talents are experts in the field of relay research and development in China earlier, with strong technical force.

Why Choose ATO:



Tailor-made to meet your product needs, in strict accordance with the sample process production.


Advanced automatic production line and testing equipment, always ensure the quality of flow meters.
Strict Control

Strict Control

Every process of the product can be traced, and strict quality control can be carried out.
Strong Team

Strong Team

Product upgrading at least twice a day, continuous innovation, and strive to make the best flow meter.

"As a supplier in China, ATO always upholds the principle of customer first.
We wholesale tens of thousands of flow meter products from ATO every year because they are so great to work with"


Our Mission:

ATO as a supplier specializing in the development and production of flow meter in China, has been constantly pursuing excellence and innovation, and constantly improving the quality of products. ATO flow meters have been tested in many ways. Good industry reputation and excellent product quality are the solid foundation and strong guarantee for the development of manufacturers.

We have been committed to providing high quality products and excellent technical services for major customers at home and abroad. Respect and cooperation is our code of conduct. Professional focus, refinement and pragmatism is our service guide. Our cooperation and unremitting efforts will bring you high quality products and services.

ATO mission