Jining Jinniu Machine Engineering Co., Ltd. welcomes you to have a walk through of our products and our premises where we offer Track Roller,Carrier Roller,Idler,Spring Tensioning Device Assembly,Track Assembly,Sprocket. As successful D Nut Manufacturer and Retailer, we have been working enthusiastically in this industry since 2009. Over the years our clients have always shown that they are fully satisfied form our D Nut and our 11 Years of export history clear witnesses that. Our corporate venture is located in Beijing, China and , started off as a Private Owner entity under Own Lisence with initial business capital estimating around US$1 Million - US$2.5 Million. In terms of D Nut export, we boast US$5 Million - US$10 Million and Australia,Canada,Spain,Italy,United Kingdom marketshare.As leading D Nut Manufacturer, we make sure that products are manufactured with bottom-line costs and excellent quality, making us able to score annual revenue worth Approx 5 Million US Dollar. In addition, our representatives which include engineers, labor, support staff as well as high management personals, are all determined to build long-term relations with future clients to make sure that no one ever has a complaint regarding any of our D Nut. For more details contact Mr. Better Xie.