http://pastport.jp/user/rongduthread ja-JP Rongdu is a professional manufacturer of high tenacity thread that widely used in luggage & bag, furniture, leather accessories, automobile, sports wear, optical fiber & cables, filter fabrics etc.. 2023-03-03T11:15:27+0900 http://pastport.jp/user/rongduthread/timeline/Nantong%20Rongdu%20Thread%20Co.%2C%20Ltd. rongduthread http://pastport.jp/user/rongduthread/timeline/Nantong%20Rongdu%20Thread%20Co.%2C%20Ltd.