The company was founded in the 1980s, and after 20 years of ups and downs, DX has become a high technology enterprise combining research, production, and trade. Moreover, the company has become one of the enterprises producing a most complete variety of filaments. The products include filaments for toothbrush,tapered filaments, abrasive filaments, and industrial filaments. Most notable are the toothbrush filaments with more than 50% market share in China. Furthermore, Jieda has established long-term strategic partnerships with Colgate, Guangzhou Haolai, P.T. Lion Wings of Indonesia, etc. In polymer resins, Jieda produces PA610 and PA612. Jieda is also the general distributor for the Eastern China of PA66 resin, PVC resin, HDMA (hexamethylenediamine), etc., produced by the China Shenma Group which is on the list of World?s Top 500 Industrial Corporations.