Rongdu Thread Leading Heavy Duty Thread Provider

https://www.rongduthread.com/heavy-duty-thread/

If you are looking for threads to sew lots of layers or some fairly thick or stiff fabrics, Rongdu has the very thread that is heavy duty polyester thread. There are a wide array of applications including footwear, leather goods, luggage and bag, furniture upholstery, mattress, sports equipment, denim, automobile, canvas, tent, wire and cable applications, filtration and more.