This product Supply for Beijing is produced in riverside area of Hanjiang River where lie in the "One river clear water" of Qinba mountains.It is the original ecological product protection zone that designated by the State Council. The base  is high in forests，with trees ，fresh air，large temperature difference between day and night, and selenium in the soil.The root system of day-lily flower is very easy to absorb the selenium in the soil. The company combines modern and traditional production processes and adopts international advanced vacuum freeze-drying dehydration technology，it  ensures the authenticity of the product while reducing the loss of nutrients and chlorophyll，that is，maintaining the original appearance of the product, and the entire process is green without pollution. This is not only a high-end dehydrated vegetable, but also a high-end fresh and dehydrated food on the domestic and international markets.