Qingdao Sanjian Sewing Thread Ind. & Trade Center is the most professional and largest polyester spun yarns manufactory in north China located in Qingdao. We specialize in producing polyester spun yarns and sewing thread with over ten year’s manufacture and trading experience. So far, we have capacity with a total one hundred thirty thousand spindles and twist spindles in our factories, and the
monthly output is more than 1000 metric tons from a wild range of 20s to 60s.