Fashion Process (Spray - Brush) Chemical
It is thebleaching process applied to pre-washed denim products or denim products that have passed through the washing process and dried. The products are put on inflatable robots so as to prevent traces on the surface of the fabric. Potassium permanganate is applied to the products, which are put on inflatable robots according to the desired effect. If this application is done with a paint gun, it is called "spray chemical", if applied with a brush, it is called "brush chemical".