Wanxiang, Guangdong specialty. Wanxiang is a common name of agarwood, alias white wood incense, daughter incense, cliff incense, tooth fragrant tree, dense incense tree, six hemp tree, is an evergreen tree of the genus Aquilaria sinensis, belonging to the national secondary protected plants and unique precious drugs. Plants are known as "diamonds in plants."

Wanxiang is a solid crystal formed by a variety of probiotic fungi after being physically damaged by Wanxiangshu. It has been deposited and fermented for many years under the action of enzymes in the bacteria. The upper product can sink into water, hence the name Shenxiang. Wanxiang can be used as a traditional Chinese medicine. It is a medicinal material with high medicinal value. Wanxiang tree can be used for making spices, incense, sculpture, paper making, etc. [Historical origin] Wanxiang has a long history and is a unique and precious specialty in Dongguan. It has high grade and great economic value. The Dongguan area has been widely planted since ancient times, and it has been widely planted in the Tang and Song Dynasties. As early as 400 years ago in the Ming Dynasty, Dongguan has gradually formed a complete industrial chain of Wanxiang acquisition, processing and trading. The products are sold to Guangzhou, Shenzhen, Hong Kong, Macao and other parts of China and Southeast Asia. In the history of the distribution center of Wanxiang, when the toothy street in Liaobu Town, Dongguan City is the most prosperous, it is also known as “Xiangshi City”. It is the most “four famous cities” in Guangdong Xiangshi, Yaoshi, Huashi and Zhushi. Distinctive. [Development Status and Reputation] In recent years, Dongguan has attached great importance to the exploration of local specialties. In 2003, it was listed as the first batch of ancient and famous trees in Dongguan to be protected, and it was promoted and planted as a symbolic plant. The current annual output is about 1000 kilograms, with an annual output value of about 100 million yuan. In Nancheng Street, in 2001, the Wanxiang Garden was set up in the rare botanical garden of the Municipal Botanical Garden, and more than 4,000 seedlings were successfully planted for special research. In Dalingshan Town, more than 3,000 trees are planted in 200 acres of forest parks, and more than 300 remaining Guanxiang ancient trees have been built into a demonstration base for non-productive protection. Shannon spontaneously planted fragrant seedlings and fragrant seedlings. 100,000 plants, about 1,000 acres. In Liaobu Town, the government vigorously revived the culture of Wanxiang and strived to build the “Eight One” project. In 2007, it began to plant 10,000 mu of Guanxianglin in Foling Lake. In 2010, it successfully hosted the first China (Dongguan) Agarwood Culture Expo. In 2012, “Dongxiang Production and Production Skills” entered the fourth batch of Guangdong Provincial Intangible Cultural Heritage List and participated in the 2nd China Intangible Cultural Heritage Expo as a special project. [Economic Value and Humanistic Value] Wanxiang is a kind of material, cultural and spiritual resources that is representative of Dongguan. Its economic value and cultural value are increasingly prominent. Wanxiang has been expensive since ancient times. It has the saying that “the price of “Pink and Platinum” and “One Piece of Money” is the same. In recent years, the price of Shangpin Wanxiang is more in grams and comparable to diamonds. The higher value of Wanxiang lies in the guidance of people's spirit. It is the carrier of Dongguan culture. Wanxiang seedlings grow on the barren land. Their tenacious quality and noble temperament are in good agreement with the spirit of Dongguan people. The development history of Wanxiang reflects the cultural history, business history, exchange history and life history of Dongguan people. When the quality and spirit of Wanxiang became the realm of people's pursuit, Wanxiang has its symbolic meaning and value. Wanxiang tree is 8-15 meters high, from the fragrance seedlings to the fragrant tree diameter of 20 cm, about 3.5 meters high, it takes 7-8 years. For the first time, the wood is scented, and it is called “opening the incense door.” Every December, the lunar calendar is the season of chiseling wood, which is cut on the living tree. The woody scent is divided into "white wood incense", "sweet incense", "scented incense", "toothy" (also known as daughter incense). Where the first opening of the incense door is "white wood incense", it is the lowest in the incense; the incense piece carved out from the old incense mouth is called "Taro-head incense". This kind of incense is more widely used, but the wood pattern is less oil-free, and the price is better than white wood. Xiang Gao; "Agarwood" is a tree head derived from some old fragrant trees. It is rich in oil. It is cut down in large chunks, and then the oil-free part is carefully scooped away, leaving the oily part "Agarwood" is one of the traditional Chinese medicines purchased by the national pharmaceutical department. It has the effect of calming the nerves and relieving pain. "Toothy" chiseled from the old incense tree that has been mined for many years, rich in oil quality, Shannon carefully chiseled into a strip of horse-shaped shape, such as the size of a finger, its price is several times higher than the "Taro", is the boutique of Wanxiang . The fragrant incense tree that has been plucked with wood is still growing, and it is usually cut once a few years. Wanxiang has been expensive in ancient times, according to "Guangdong Xinyu. Xiang said: Zhongyun: When Wanxiang Sheng, the sales of more than tens of thousands of gold. Even today, the medium "white wood incense", the common "taro-flavor" requires more than 20 yuan per kilogram. “Agarwood” and “Tooth” (daughter) are even more valuable. Wanxiang is smoke-free when burned, and has a fragrant smell for refreshment and sorrow. It has the power to avoid the tide and has been welcomed by the public for hundreds of years. Historical allusions Wanxiang, as a spice, has a long history. As early as in the Tang Dynasty, Dongguan began to plant Wanxiang, which was famous in the Yuan Dynasty. During the Ming and Qing Dynasties, Wanxiang was famous throughout the country and was the best product at that time. In the Palace Museum to this day, there is also a historical record of our Dongguan tribute to Guanxiang. Traditionally, Wanxiang, and Guancao, Wanyan are also known as the three major native products of Dongguan. Wanxiangshu is also the only tree named after the place name in Dongguan.

Wanxiang quality technical requirements First, the source of the tooth tree (Aquilaria sinensis). Second, the site conditions soil type is red, yellow soil, pH value of 5.0 to 6.5, soil thickness ≥ 35cm. Third, planting management 1. Breeding method: seed reproduction. 2. 3. Incense treatment: After 7 years of seedling planting, physical damage to the trunk is carried out by external force. 4. Fertilization: Apply organic fertilizer ≥ 9.5 tons / hectare per year. 5. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. Fourth, harvest processing 1. Picking: After 4 years of fragrant, the scent can be harvested, and the trunk or tree head with dark brown or tan with an aromatic resin can be cut off. 2. V. Quality characteristics 1. Sensory characteristics: the shape is irregular block, sheet and helmet shape, the surface of the fragrant surface is uneven, the surface of the hole and the dimple is rot-like, solid, the color is black or brownish brown, the oil grid is crystalline, oil color Smooth, full of aroma. It has a special scent and a cool sweet feeling when igniting. 2. 3. Safety requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

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Producers within the scope of Guanxiang's production area may submit an application for the use of the “Special Mark for Geographical Indication Products” to the Quality and Technical Supervision Bureau of Dongguan City, Guangdong Province. After examination by the Guangdong Provincial Bureau of Quality and Technical Supervision, the company shall submit an announcement after approval by the General Administration of Quality Supervision, Inspection and Quarantine. The testing organization of Wanxiang is selected by the Guangdong Provincial Bureau of Quality and Technical Supervision in the testing institutions that meet the qualification requirements.