The Kinba brand developed by Azuma Co., Ltd. offers a variety of series, including its flagship product, Kinba Spun. Kinba Spun is an industrial spun sewing thread made from 100% polyester, and it is characterized by the strength and low elongation ideal for apparel, as well as its flexibility, which allows it to blend well with materials. These products are widely used as indispensable items in apparel manufacturing.