Advantages: ① Automatic winding without tension ② Automatic electronic coding device ③ Infrared automatic edge alignment ④ Two-way automatic cloth transfer function ⑤ Equipped with abutment corridor ⑥ Especially suitable for knitted high-elastic fabrics Uses: It is suitable for testing the quality of various knitted woven fabrics, and detecting whether the fabrics are stained, color difference, off-thread and other problems in advance.