Duwei Wendan pomelo is abundant in Duwei Town, Xianyou County, Fujian Province. The town is located in the hilly area of ??central Fujian, close to the Daiyun Mountains, and is surrounded by mountains and a basin. The town covers an area of ??113 square kilometers, with 36,000 acres of cultivated land and 100,000 acres of mountainous land, including 63,000 acres of Yiguo Mountain. It governs 19 villages and has a total population of more than 80,000 people. The area has an altitude of 90-600 meters and has a subtropical marine monsoon climate. The territory has sufficient sunshine, abundant rainfall, abundant water resources and fertile soil. The annual frost-free period is more than 345 days, the average temperature is 21.6 degrees Celsius, the sunshine is about 2000 hours, and the rainfall is 1600-2200 mm. The mountain soil is brick red soil, sandy yellow loam, and is rich in organic matter. It has formed unique natural climate conditions for the production of high-quality fruits, especially Wendan pomelo, and is the most suitable place for the development of green food. Duwei Town is known as the "Hometown of Fruits" and was once a typical representative of the economic development model of mountain towns in Fujian Province.

Duwei Wendan pomelo production has a long history, dating back nearly 200 years. According to legend, during the Qing Dynasty, Wu Dengqing, a member of Tanbian Village, Duwei Town, Xianyou County, discovered a strange fruit in his backyard. The fruit was large, fragrant, tender and juicy, moderately sweet and sour, with small seeds, good taste, and unique flavor. It has the effects of cooling and moisturizing the lungs, relieving cough, relieving inflammation and relieving heat. Later, neighbors took the ears and planted them as a medicinal fruit. With the expansion of planting and the increase in production, it gradually became a treasure and presented to relatives and friends. At the end of the Qing Dynasty, Duwei Wendan pomelo was sent as a tribute to the court.

Duwei Wendan pomelo is rich in substances and has high nutrition and certain medicinal effects. According to quantitative testing by the Testing Center of Fujian Agricultural University and component analysis by Tianjin Institute of Light Industry, Duwei Wendan pomelo contains 18 kinds of beneficial amino acids and more than 11 kinds of minerals. Tests by the Fujian Institute of Traditional Chinese Medicine show that Duwei Wendan pomelo contains naringin, neohesperidin, carotene, vitamins B1, B2, C, niacin, calcium, phosphorus, iron, volatile oil, sugar and insulin, and has It has anti-inflammatory, cough-relieving, anti-coagulant and hypoglycemic effects, and has certain effects on stomach pain, bloating, indigestion, otitis media, mastitis and blood coagulation. It is a good product that is suitable for both medicinal and dietary purposes. In 1983, President Li Xiannian tasted Duweiwen pomelo and was full of praise for its quality; in 1982, it was rated as a local high-quality famous fruit at the provincial and municipal pomelo quality appraisal meeting; in 1999, the quality of Duweiwendan pomelo passed the citrus certification of the Ministry of Agriculture After testing by the testing center, it was recognized as a high-quality fruit and won the Quality Award in the 3rd National Pomelo Competition.

Duwei Wendan pomelo is popular in domestic and foreign markets for its unique quality. In recent times, when the national fruit market has been relatively weak, the supply of Duwei Wendan pomelo is still in short supply, and the price remains high. In 1999 and 2000, the sales price of each fruit at the Chengdu and Wuhan agricultural products exhibitions was as high as 5-6 yuan. Currently, Duwei Wendan pomelo has been exported to large and medium-sized cities such as Beijing, Shanghai, Guangzhou, Fuzhou, Chengdu, Wuhan, etc., and has also been exported to Southeast Asian countries and regions.

In order to meet the needs of the market, since the reform and opening up, especially in recent years, the Duwei Town Party Committee and Government have taken effective measures to increase government investment, strengthen external introduction and internal communication, play a demonstration and leading role, and encourage State-owned, collectives, individuals, consortiums and foreign investors have developed mountain resources and planted Wendan pomelo on a large scale. In 1998, a 10,000-acre Wendan pomelo base was constructed, becoming one of the ten key economic construction projects in Xianyou County. In 1999, the "Construction of Duwei Ten Thousand Mu Wendan Pomelo Base" was listed as a "Spark Plan" project by the Ministry of Science and Technology, and in 2001 it was listed as a "Harvest Plan" project by the Ministry of Agriculture. The current planting scale of Duwei Wendan pomelo reaches 30,000 acres, with an output of 10,000 tons. It is planned to plant 50,000 acres by 2005, with an output of 400 million tons. While vigorously promoting large-scale planting, we closely rely on scientific and technological strength, strengthen the scientific management of planting, and continuously improve purity; strictly pick the time to ensure the quality of famous fruits; strengthen the health and safety management of production, storage, packaging, and transportation, and actively create green food ; Establish brand awareness and increase brand protection. The Wendan pomelo trademark has been registered. In 2001, it was recognized as a green food A-level product and was allowed to use the national green food mark. Now it has been declared a famous brand product in Fujian Province.

The production of Duwei Wendan pomelo has become the highlight of the adjustment of rural economic structure in Duwei Town. It is a pillar industry of Duwei Town and a major way for farmers to increase their income. With the development idea of ??"pomelo, rich economy", we will increase the production and development of Wendan pomelo, and actively promote the industrial production process of Wendan pomelo, so that Duwei Wendan pomelo can be dedicated to consumers with better quality and more exquisite packaging!