Hemp walnut is also known as wenwan walnut. The texture of the nut is fine, the texture is round, the appearance is dignified, the wrinkle is dense and dense, and there is a natural and realistic pattern. In the process of playing, not only can health care, relieve stress, and effectively achieve psychological balance; but also promote communication and improve self-cultivation. There are many varieties of grafted pecans, and the quality is good. The wenwan walnut varieties belong to the top grade. The main varieties are white lion head, wheat ear tiger head, Wang Yong official hat, starry sky, Baihua Mountain, apple orchard, and four buildings. South Xinjiang stone, son hat and so on are hot selling Beijing and Tianjin.

Technical requirements for quality of 涞水麻核桃(野三坡麻核桃) (1) Juglans hopeiensisHu. (2) Site conditions. The soil type is cinnamon soil, soil texture: loam, soil thickness ≥1 m, soil pH 7.0 to 8.0, soil organic matter content ≥0.8%. (3) Cultivation management. 1. 2. 3. Fertilization: mainly based on decomposed organic fertilizer, the annual application of organic fertilizer ≥ 50kg / plant. 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. From mid-August to early September, the total scorpion has not been cracked or harvested just after cracking. (5) Quality characteristics. 1. Realistic pattern. The external shape of the line is characterized by a lion-headed nut shell that is nearly spherical, with a large, flat bottom and a short pile. The pattern is shaped like a lion's mane, with multiple flowers, flowers, and flowers, and the lines are deep. The nut shell of the male hat is like the shape of an ancient male hat. The suture is large and prominent, and two beautiful "big pockets" are formed at the bottom of the fruit. The fruit base is large, the pile is short, and the grain is light. The nut of the official cap is shaped like a black hat. The suture is full and rounder than the male hat. The fruit bottom is large and flat. It is slightly higher than the pile of the male hat and has a deeper texture. The shell of the tiger's head is like a tiger's head. Compared with the lion's head, the fruit is slightly smaller, the pile is taller, the grain is like wheat ears, and the pattern is fine and full. The shell of the heart of the chicken has a triangular shape resembling a "chicken heart". The nut is large, the fruit bottom is small, the pile height is high, the fruit top is large and prominent, the shell surface is thick and straight, and the grain is deep. 2. 45≥42≥23≥0.85 tiger head≥43≥40≥22≥0.93 heart ≥45≥44≥23≥0.853. Safety requirements: Product safety indicators must meet the relevant regulations of the state for similar products.

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The producers within the scope of protection of geographical indication products of Qishui Ma walnut (Yi Sanpo Ma Walnut) may apply to the Quality and Technical Supervision Bureau of Qinshui County, Baoding City, Hebei Province for the use of “Special Marks for Geographical Indication Products”, through Hebei Province. The quality and technical supervision bureau will be approved by the AQSIQ. The statutory testing agency of Lishui Matang (Yi Sanpo Ma Walnut) is designated by the Hebei Provincial Bureau of Quality and Technical Supervision.