Gansu Puhua stevioside Development Co. Ltd. established in July 2010 we are a subsidiary of Gansu Nongken pharmaceutical alkali factory Co.Ltd.a subsidiary of Gansu Nongken Group Co. Ltd. Wuwei, a node city located on the golden section of the beautiful Silk Road, is located at No.1 Nongda North Road, Huangyang food industry demonstration park, Liangzhou District, Wuwei city. It covers an area of 33335 square meters and has convenient transportation and trade conditions.