Mr. Wang from a fast rolling door manufacturer said that because of the unknown black spots on the rolling door, the reason after testing turned out to be the unknown black dust falling out of the industrial door sweep brush. He checked on the Internet and learned that our Aoqun is a manufacturer specializing in the production of industrial door sweep brushes, so he immediately contacted our Aoqun and asked us to help him find a way.

After learning about Mr. Wang’s requirements for industrial door sweep brush, our customer service explained to Mr. Wang patiently that the previous supplier may have used secondary recycled materials, which caused the brush strips to be of poor quality and easily dropped black dust. Our industrial door sweep brush produced by Aoqun will not have this kind of black dust falling out, because we all use the glue wire made of one-time material, and the quality is absolutely guaranteed. You can purchase with confidence. Then Mr. Wang Let's send a sample and take a look. We provided the sample to Mr. Wang in 2 days.

10 days later, Mr. Wang called directly and said that after they tested continuously at different temperatures, not only would there be no unidentified black dust on the door curtain, the sealing effect of the industrial door sweep brush was also very good, and then he placed the order To customize the industrial door sweep brush.