Longshan mineral water, specialties in Huairou District, Beijing. It has a mineralized taste, and it is better to drink and taste better. Scope of origin: Within the current administrative area of ​​Beizhai Village, Qiaoyu Town, Huairou District (east longitude 116°39'07′′, north latitude 40°20′57′′).

Bridge Jujube, special product of Qiaoyu Town, Huairou District, Beijing. Jujube is a local jujube in Beijing. It was used as a tribute in the Imperial Palace during the Ming Dynasty. But it didn't take long for the jujube to cut production quickly, and it was once extinct. Since 2004, Qiaoyu Town has carried forward this characteristic fruit according to its own advantages, so that ordinary people can also eat fresh jujube. After several years of development, the jujube varieties in the town, including jujube, include more than 10 varieties such as winter jujube and golden silk jujube, and are known as the “first town of jujube jujube”.