Pingwu County is located in the northwestern part of the Sichuan Basin. It is connected to the world natural heritage Jiuzhaigou and Huanglong Temple. The altitude difference in the county is very wide, the four seasons are distinct, the three-dimensional climate is obvious, the precipitation is abundant, the sunshine is sufficient, the air quality is good, the environment is pollution-free, natural resources. Very rich, combined with the traditional cultivation management and processing technology, the Pingwu walnut nuts are nearly round, fruit large, suture line flat, middle shell, fruit shell smooth and beautiful, shell pattern is shallow, inner fold wall is not developed, easy to shell, The kernel is white or yellowish white, full, rich in flavor and light in taste.

Geographic location The climate and soil in Pingwu County are suitable for the growth of walnut trees. Geographically, the county is located in the northwestern part of the Sichuan Basin, the eastern margin of the transition zone from the Qinghai-Tibet Plateau to the Sichuan Basin, the upper tributary of the Yangtze River to the upper reaches of the Minjiang River, and the county-level county is a humid climate with a humid climate. The climate is mild and the precipitation is abundant. The sunshine is sufficient, the four seasons are distinct, and it has the characteristics of more clouds, less fog, and more cloudy days. The climate and environment of the area are very suitable for the growth of walnuts. Honored Pingwu was once the top ten county in China, and has been the largest county in Sichuan. Pingwu County attaches great importance to the development of walnut cultivation, and gives farmers support in terms of policies, funds, and technology through various means. Through hard work, the reputation of Pingwu walnut is getting louder and louder: In August 2010, the “Wuyuan Longmenshan” brand walnut declared by the Pingkang Shikan Walnut Professional Cooperative was certified by the China Green Food Development Center for Grade A green food. The right to use the green food mark was granted, which marked the “admission ticket” for entering the high-end market at home and abroad. In October 2010, Shikan Walnut Professional Cooperative participated in the China Green Food Expo. The General Administration of Quality Supervision, Inspection and Quarantine announced that the scope of production of Pingwu walnut is the administrative area under the jurisdiction of Pingwu County, Sichuan Province. At the same time, it is clear that the Pingwu walnut variety is a local local variety of glutinous rice and suitable mid-late maturing varieties, and has strict regulations on site conditions, cultivation techniques, harvesting, processing and quality characteristics. Industrial Development Pingwu County is located in the high-altitude mountainous area in the northern part of Sichuan Province. It is famous for its high-quality walnuts. In recent years, in order to make the walnut industry bigger and stronger, Pingwu County has vigorously implemented the brand strategy and accelerated the standardization planting and processing of Pingwu walnut. The products are of high yield and high quality and are sold throughout the country, which is favored by consumers. As of the end of last year, Pingwu walnuts had 160,000 fruits and an annual output of 1,568 tons. This year, 2.5 million new plants were planted, and the planting area has reached 8,000 hectares. After the fruit is put into fruit, the annual output is expected to exceed 26,000 tons. The Pingwu walnut was protected by geographical indication products, which played a positive role in further increasing the popularity of Pingwu walnut, creating the brand of Pingwu walnut, increasing farmers' income, and promoting the rapid development of the walnut industry and local economy.

Ping Wu Walnut Quality and technical requirements (a) species. (2) Site conditions. The altitude of the protected area is 600m to 1500m, the soil type is yellow soil and yellow brown soil, and the soil texture is sandy loam and loam. The soil pH is 6.5 to 7.5, the soil organic matter content is ≥1%, and the soil layer thickness is ≥30 cm. (3) Planting management. 1. 2. Fertilization: mainly organic fertilizer, 1 to 5 years old trees per year per hectare application of decomposed organic fertilizer ≥ 3.8 tons; 5 to 20 years old trees per hectare per year application of decomposed organic fertilizer ≥ 18.5 tons. 4. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. (4) Harvesting, processing and storage. 1. 2. The stacking thickness of the stacking peeling method is ≤50cm, the time is ≤72 hours, the temperature is controlled at 20°C to 25°C, and it is cooled in the middle. (2) Rinsing treatment: rinse with water, and it is forbidden to bleach with chemicals. (3) Dry treatment: naturally cool or dry until the moisture content of the kernel is ≤7%. 3. Storage: storage period ≤ 240 days at normal temperature; storage period ≤ 360 days at low temperature. (5) Quality characteristics. 1. Fragrant, light taste. 2. 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

Apply to：
Producers within the scope of Pingwu walnut production area may apply to the Pingwu County Quality and Technical Supervision Bureau of Sichuan Province for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Sichuan Provincial Bureau of Quality and Technical Supervision and submitted to the AQSIQ for approval. announcement.