The company headquarter and manufacturing site are located in Wuzhong, Ningxia Province. Ningxia is known as ?Oasis by the Yellow River North of the Great Wall?, is the cradle of Western Xia civilization. Its R&D department and international business department are located in Beijing. Ansun has a strong R&D team that continuously brings up innovations and attracts first class professionals and experts from around the world. Ansun manufacturing processes are certified with GB/T 19001-2008/ISO ...