Qingdao davidson international trading Co., Ltd., established in January, 2004, the registered capital is 10 million RMB yuan. It is located in China most important coast & opening city-qingdao city, and it is a comprehensive foreign trade enterprise, owning self-importing & exporting rights as well. Depending on its high quality service and outstanding operation ability & abundant experience, davidson company have been becoming the leader supplier of the dietary supplement/raw material in China. Davidson have established a mutual-benefit co-operation partner relationship with over 200 factories from 20 provinces, and its products have been exported to American, Japan, Hong Kong etc, meanwhile davison company has been becoming American, nipponese customers' OEM partner manufacturer in China.