... tons polyester sewing thread. We can do OEM or produce semi-finished thread according to customers' requirements. we have 20s/2,20s/3,20s/6,30s/2,30s ... /3,40s/2,40s/3,50s/2,50s/3,60s/2,80s/2,80s/3 and so on .2. our ... factory sewing thread is 100% polyester as the ...