Just big economy and trade of Qingdao Shangzheng Investment Co,. LTD is located in quite developed Qingdao city, specialized in industrial yarns such as Elastic Weft .We are the largest manufacturer and exporter of PA66-Cotton covered yarn, in China. Our yarns have good properties, such as ?Break Strength? & ?Elongation at Break?, it is used in application of tire cord fabric as weft.Full use of advanced and mature technology, we are able to successfully manufacture low-cost/high-performance nylon66 cotton core-spun tyre cord yarns . due that, we could support you with competitive source to flood your product as a rocket.Having trade with oversea customers for many years, we have been enjoying a high reputation. At present, our business has covered Southeast countries/Europe countries/America countries.Contact Person: Rorbine Chen Tel/Fax: +86-532-68721208 Mobile:+86-15054213787