With the object of inventing the biggest economic profit and superior serviec to customers, Shandong tongda textile machinery Co.,Ltd tries its best to develop in spinning frame to provide quality products and reliable and functional equipments, it has supplied its buyers with super draft spinning frame, tight and Siro spinning frame, smooth and direct spinning frame and other series, etc.,so reliable guarantee for the development of china national textile industry can be provided on the basis of many years of research results.