Huanglong walnut is a geographical indication protected product. Huanglong walnut is a geographical indication certification trademark.

Walnuts are a top quality product that strengthens the brain and prolongs life. Visitors to Huanglong County can always receive a box of thin-skinned walnuts, a specialty of the county. This kind of walnut is not only easy to eat, but also has low tannin content, high unsaturated fatty acid content, good taste, and nutrients that are easily absorbed by the human body, according to authoritative organizations, so it is quite popular in the market. The one-kilogram walnut gift box processed and produced by Huanglong County Dried Fruit Company sells for more than 100 yuan per box on the market, and the average selling price of each walnut is more than 1 yuan. Thin-skinned walnuts have become Huanglong’s business card, and calligraphers have given it the reputation of “Huanglong walnuts are the best in the world”. With the goal of building a leading industry that enriches the people and strengthens the county, in recent years, Huanglong County has targeted the high-end walnut and nut market, adhered to the path of diversified, standardized, and large-scale industrial development, and has introduced and trial-planted more than 40 new dwarf early-eating walnut varieties. It has undertaken and completed a number of national and provincial walnut technology research projects, and has broken through many technical difficulties such as walnut grafting and standardized production. While its own industry continues to grow and develop, Huanglong has gradually become a high-quality walnut producer in the province and even the country. Demonstration base, high-quality walnut seedling breeding base and high-quality walnut cultivation technology training base. Hao Yanbin, the national chief walnut expert and director of the Beijing Forestry and Fruit Research Institute, and other six walnut experts, through on-site inspection and evaluation in Huanglong County, unanimously determined that "Huanglong walnut has great advantages in standardized garden construction, large-scale development, improved planting, and scientific management." All are at the leading level in the country." In September 2008, at the first China Walnut Conference held in Dayao, Yunnan, two walnut varieties, "Xiangling" and "Shaanhe No. 5" grown in Huanglong County, won the "Gold Medal" and the "Silver Medal" respectively. The "Shenglong" brand walnut trademark registered by the County Dried Fruit Company was recognized as a "Shaanxi Province Famous Trademark" by the Shaanxi Provincial Administration for Industry and Commerce in the same year. Huanglong walnut geographical indication product protection also passed the expert review organized by the State Administration of Quality Supervision.

This year, Huanglong County has 120,000 acres of walnuts bearing fruit. According to annual output and market forecasts, the county's walnut output will exceed 5,000 tons, with an output value of 200 million yuan. Farmers can earn more than 5,000 yuan per capita from walnuts alone. Taking advantage of the situation, the county developed 23,000 acres of new high-quality walnut varieties in spring, bringing the county's total walnut area to 230,000 acres, including 170,000 acres of early-fruiting fine-variety thin-skinned walnuts.

While striving to expand the scale of walnut planting, since last year, Huanglong County has focused its development on improving industrial quality and efficiency, and has adopted a series of powerful measures to increase walnut production. This year, the county party committee and the county government have formulated and implemented the goals and tasks of building "10,000 acres of demonstration gardens, 20,000 acres of new gardens, and 30,000 acres of benefit gardens", intensified efforts to transform old varieties and low-yielding gardens, and increased the training and training of farmer technicians. The intensity of township assessment rewards, especially the subsidies for farmers, is not only strong, but also meticulous. During the implementation of the 20,000-acre new garden, for every acre of new walnut varieties planted by farmers, the county will provide a subsidy of 300 yuan based on the highest planting quality. The county has formulated detailed rules for standardized walnut garden construction and inspection and acceptance, and has implemented 76 county-level departments to undertake the construction of demonstration gardens. Each department and unit is required to undertake the construction of a village. Among them, departments with more than 5 people will undertake the construction of 100 acres of demonstration gardens, and 5 Units with people and below are responsible for building a 50-acre demonstration park to drive high-quality development of the industry through the construction of the demonstration park. Departments at all levels have given farmers strong support in terms of technical training, physical and chemical investment and capital, with a total investment of 400,000 yuan in capital alone.

In view of the fact that there are still a large number of inferior varieties and low-yield and low-efficiency gardens in the county, this year the county has proposed the construction task of transforming low-yield gardens into efficiency gardens. Adopt the method of promoting rural consolidation and gradual transformation and upgrading, implement the replacement of large trees with high heights, and provide subsidies to farmers according to branches, with an average subsidy of 12 yuan per tree. Encourage farmers to improve soil and fertilize in walnut orchards, and implement reasonable intercropping to improve the growth of walnut trees and the quality of walnut products. Those who can interplant tall crops without interplanting will be given a subsidy of 80 yuan per mu. Those who improve soil and fertilize will be given technical support and Subsidy rewards. It is understood that the county has implemented low-yield renovation this year, covering an area of ??80,000 acres of walnut orchards.

These measures are step by step improving the quality of Huanglong’s walnut industry and walnut products.

"Huanglong walnuts have a good ecological environment and no industrial pollution. In addition, there are very few walnut diseases and insect pests. No pesticides are needed throughout the growing season. Therefore, Huanglong walnuts can be called a pure natural and very green food." Some experts once said When evaluating Huanglong walnuts, it can be seen that the reputation of "Huanglong walnuts are the best in the world" is not an exaggeration.

The protection scope of Huanglong walnut geographical indication products is the administrative area currently under the jurisdiction of Huanglong County, Yan'an City, Shaanxi Province.