... acrylic, nylon,polyester etc 3.thickness:2-5mm 1. name:knee protector2. material cotton,polyester, neoprene, acrylic, nylon3. size ... bags etc industry. sport products have wristbands,sport headband,knee brace,waist brace,sport ankle etc.In addition,also produce ... tec household products. We have our own quality management system. Each procedure all have quality management department strictly control.We ...