A lot of our dear customers interested with how the sacks sewing thread produced and what is the processing for threads . From this video you can know the thread production process is not a very easy work , even it is looks like a "easy" products , to produce a good quality thread need a big investment on machinery and a well done management . our new factory make a huge investment on purchase machinery from Germany , Japan , Italy , Swiss to make sure the quality of thread b

contact with us and learn more knowledge about polyester sewing thread . contact@demanpack.com www.demanpack.com www.bagcloserthread.com