PE (polyethylene) braided irrigation hoses are widely used in various countries around the world due to their durability, flexibility, and resistance to weathering and chemicals. While it is challenging to provide an exhaustive list of countries where PE braided irrigation hoses are used the most, here are some regions and countries known for their significant utilization of irrigation systems and related products:

1. United States: The United States has a large agricultural sector, including extensive irrigation systems, making it a significant market for PE braided irrigation hoses.

2. China: China is the world's largest agricultural producer, and irrigation plays a vital role in its agricultural practices. The country's vast agricultural industry contributes to the substantial use of PE braided irrigation hoses.

3. India: India is another major agricultural nation with a significant reliance on irrigation systems. The use of PE braided irrigation hoses is widespread in India's agricultural practices, particularly in regions with water scarcity.

4. Brazil: Brazil has a substantial agricultural sector, with irrigation systems extensively employed in various crops, including soybeans, corn, and sugarcane. PE braided irrigation hoses are commonly used in these systems.

5. Australia: Due to its arid climate and extensive agricultural activities, Australia heavily relies on irrigation for agricultural production. PE braided irrigation hoses are widely utilized in the country's irrigation systems, especially in regions with water management challenges.

6. European Union: Several countries within the European Union have significant agricultural sectors and rely on irrigation. Countries like Spain, Italy, France, and the Netherlands extensively use PE braided irrigation hoses for efficient water distribution.

7. Middle East: Countries in the Middle East, such as Saudi Arabia, UAE, and Israel, employ advanced irrigation techniques, including the use of PE braided hoses, to support agriculture in arid and desert environments.

8. Southeast Asia: Countries like Thailand, Vietnam, and Indonesia have extensive agricultural practices and employ irrigation systems that utilize PE braided hoses for efficient water supply.

It's important to note that these are examples of regions and countries where PE braided irrigation hoses are commonly used, but the application of these hoses extends to many other countries with active agricultural sectors and irrigation needs.