Liaoning Occitan Pharmaceutical Accessories Co., Ltd. (the original "Nano Materials Co., Ltd. Liaoyang Oak") was founded in February 2001, is the Oak Group Co., Ltd., a wholly owned subsidiary, the company has "Chinese Pharmacopoeia" 2010 version of the full requirements term testing capacity and equipment, strict implementation of GMP production.Company employees 80 people, college or higher proportion of more than 90%, of which 15 were senior ***. The company has a number of products exported to foreign countries, there are a number of technical achievements and new products through the Liaoning Province scientific and technological achievements and identification of new products, domestic first-class pharmaceutical polyethylene glycol and derivatives pharmaceutical excipients manufacturers.