For ECR yarn is also known as high modulus winding yarn, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our ECR yarn is also known as high modulus winding yarn has been well received by many customers and enjoyed a good reputation in many countries. haiding fiberglass ECR yarn is also known as high modulus winding yarn have characteristic design & practical performance & competitive price, for more information on the ECR yarn is also known as high modulus winding yarn, please feel free to contact us.