Sizhou inkstone, also known as Sizhou Jinxing inkstone, is called "Siyuan inkstone" for short. It is produced in Guzizhou (now Cengong County, Guizhou Province) and has a production history of more than 1 years. Because the rock is green and solid, the golden light shines inside, and the ink grinds with enthusiasm and cherishes the pen, the ink grinds without strange smell overnight, which can make calligraphy and painting more beautiful, three-dimensional relief and diverse shapes, and is well-known at home and abroad.

Sizhou inkstone has a long history. According to the records in "Sizhou Fu Zhi. Yi Wen Juan" written by Kangxi of Qing Dynasty, Tang Tianbao sold well in the city during the years, and has a business history of more than 1,2 years. Sizhou inkstone must be carved with Jinxing stone from Sizhou Xingshitan. This kind of stone is excellent in stone quality, dark in color, containing Venus, and its face is glittering with golden light. It has the characteristics of unique water and stone, rough jade, clouds and dew, and cherishing ink and pen. Because of the special materials, there are many strange functions, such as the ink is not easy to dry up, the ink is fine and uniform, the words written are full, the paintings are bright and bright, and the three-dimensional sense is increased. Throughout the ages, many literati have loved it like treasure. Su Dongpo, a great writer in the Northern Song Dynasty, loved Sizhou inkstone very much. Jiang Chen, the magistrate of Qing Yu in the Qing Dynasty, had a poem "I asked about the phoenix flavor and the dragon tail, and the slope was old and so on." Sizhou inkstone is very particular about carving art, which is exactly the difference between it and other famous inkstones. For example, compared with Duanyan, Sheyan and Luyan, these three inkstones are mainly flat carving, while Sizhou inkstone is mainly three-dimensional relief. These three-dimensional relief patterns are complex in structure, including animals, plants, figures, landscapes, etc., which are simple and elegant, lifelike in image and exquisite in technology. Its shape is beautiful and diverse. From the perspective of contour modeling, there are: oval lotus leaf, single-line rectangle, double-line rectangle, single-line fan, single-line natural shape, boundless natural shape and so on. From the perspective of pattern modeling, there are nearly 1 kinds, such as: Shuanglong grabbing treasures, Four Dragon Tides, Kowloon Pool, Eight Immortals crossing the sea, Magpie making plum blossoms, and Eight Scenes in Sizhou.

In p>196, when Premier Zhou Enlai visited Guizhou, he personally asked about the production of Sizhou inkstone. Under the concern of Premier Zhou, Cengong County Arts and Crafts Factory was established in 1974. In the same year, the first batch of products were sold in Guangzhou Fair, which won favorable comments, and attended fairs and fairs in ten major cities including Beijing, Shanghai and Chengdu. Beijing Arts and Crafts Service Department, Shanghai Academy of Fine Arts, etc. have all purchased Sizhou inkstone products and materials as exhibits and research materials. Sizhou inkstone products entered the international market as early as the early 197s and sold well in Japan, the Philippines, Singapore and other Southeast Asian countries.

Sizhou inkstone has always been favored by people, and Emperor Kangxi in Qing Dynasty designated it as the imperial inkstone in the palace. In 193, he won the first prize of Guizhou Industrial Exhibition. In 1979, the Ministry of Light Industry listed it as a national famous brand traditional craft product; In March 1993, he won the silver prize of "93 Changde National Spark Plan Achievement Exhibition Fair"; In May 1995, he won the gold medal in the "China International Technology Products Fair" sponsored by the State Science and Technology Commission, the Ministry of Domestic Trade and the State Patent Office. In November, 23, at the 14th National Four Treasures of the Study Art Fair held by Four Treasures of the Study Association of China in Nanjing, Sizhou inkstone was awarded as the "National Treasure-Top Ten Famous Inks in Four Treasures of the Study, China" in the second selection of "National Treasure", and was awarded the gold medal certificate of quality products in Four Treasures of the Study, China. In April, 26, it won the honorary title of "National Treasure" at the 18th National Four Treasures of the Study Expo. At present, Sizhou National Craft Factory in Cengong County, which produces Sizhou inkstone, has been designated as "the designated production enterprise of tourism commodities in Guizhou Province" by Guizhou Provincial Tourism Bureau, Provincial Economic and Trade Commission, Provincial Department of Commerce and Provincial Department of Textile Industry. Sizhou inkstone is famous at home and abroad. The ancient name of Cengong County is Sizhou, which is a famous tea producing area with a long history of tea production. According to the Book of Tea written by Cha Sheng Lu Yu (Tang Dynasty), tea "is often obtained in Guizhou from Sizhou, Bozhou, Yizhou and Feizhou, and its taste is excellent". The Song Dynasty tea monograph "Taiping Huanyu Ji" has a description of "Yi, Si and Bo three states tribute tea". This shows that the quality of Sizhou tea is excellent and it became famous early.

After the founding of New China, Cengong tea has been developed. In the middle and late 198s, the machine-made Sizhou green tea was successfully developed. In the early 199s, the famous green tea series Sizhou Cuibai, Sizhou Yingou, Sizhou Mao Feng and Tianxian Jianxue were successively developed. Sizhou green tea series is deeply loved by consumers because of its excellent quality characteristics, and has won awards in many competitions. Among them, Sizhou Mao Feng and Sizhou Yingou won the health food exhibition in Guizhou in 1994 and the gold medal in the trade fair, Tianxian Jianxue won the gold medal in Zhuhai International Food Trade Expo in 1995, Sizhou Yingou was rated as a provincial famous tea in Guizhou in 1995, and Sizhou green tea series was designated as a tourism product in Guizhou by the Provincial Tourism Bureau in 2.

in p>24, the area of conventional tea gardens in the county has reached more than 6,6 mu, and the area of Ilex kudingcha has reached more than 1,8 mu. All of them are strictly managed according to pollution-free processing technology, and the mechanism technology of famous tea has reached a new height. The annual output of tea is about 14, Jin, the sales income is 3.2 million yuan, and the tea production has achieved good economic and social benefits. Sizhou Wendan pomelo was awarded the title of famous brand agricultural products in Guizhou Province in November 24. It was well received by consumers in Xingyi on February 2, 27 and in Hangzhou on December 1, 27. In December 27, it won the gold medal of China International Forestry Industry Expo and the honor of Olympic recommended fruit. At the Beijing-China International Forestry Industry Expo, a pomelo with a weight of less than 3kg was sold at a sky-high price in 1 yuan.

Sizhou Wendan pomelo is fleshy, crispy and juicy, with 5-7 seeds per petal, full of flavor and slightly sour. The fruit ripens in November and is rich in potassium, calcium, iron, selenium, zinc, vitamin C, vitamin B and other trace elements. It is a good product for fresh food and processed drinks. Due to the special geographical environment (typical subtropical warm and humid monsoon climate zone) and climatic conditions (mild climate, no severe cold in winter, no intense heat in summer and abundant rainfall), and the characteristics of long growth period, the produced Wendan pomelo is rich in nutrient accumulation, which is different from other pomelos in that it is fresh and fragrant, crisp in meat, easy to peel off the pulp, free of peculiar smell and durable in storage.

Bagging production was carried out in strict accordance with the technology of pollution-free agricultural products, and passed the certification of pollution-free agricultural products in June 28. At present, the county has a planting area of 12,8 mu and a preserved area of 9,2 mu, which are mainly distributed in low-altitude areas (below 55 meters) along the banks of Longjiang River, with a small amount of planting in Dayou and Kaiben, with sales of 2.6 million yuan in 28. Persimmon is a specialty of Cengong. It has a long history. According to legend, it was listed in the Ming and Qing Dynasties. After liberation, the production and sales were very prosperous, and the listing rate was still high in recent years. It mainly produces Dahongwan, Sanyanjing and Xinwu in Laqiafan Village, Yu Dayou Township, Hejiatun and Huangxiuchong in Liangshuijing Village, Zhonggutang and Yemao Cave in Maolong Village, Houjiatun and Loquat Garden in Tongkou Village and Hexitun in Muzhao Village.

persimmon fruit is a good raw material for brewing when it is green. The brewed wine is sweet and delicious, and when it is yellow, it can be made into persimmon and persimmon flower. When it is eaten, the glutinous rice is sweet, moistening the throat and diuresis, lowering blood pressure and stopping bleeding. It is usually used as an auxiliary point for people to give gifts or taste tea. The red fruit is commonly known as "thick persimmon", which is juicy and sweet. After eating, it can prevent and treat stomach diseases and mouth sores.

According to experts, persimmons are rich in nutrients, and their protein content is 3.5 times that of apples and 7 times that of pears. The content of vitamin A is twice that of apples, 16 times that of pears, 3 times that of apples and 5 times that of pears. And contains a lot of carbohydrates, some people call it woody food crops.

The processing procedure of persimmon is more complicated: after the white dew, seven ripe persimmon fruits are picked, the skins are scraped off with a scraper, and placed on a woven persimmon rack, which is exposed to the sun during the day and baked with fire at night. When the persimmon turns brown, it is repeatedly pressed into a round biscuit shape by hand, tied with brown leaves, usually ten of them are tied together, and then the tied persimmon is stored, with the change of climate. Grey alkali cake, also known as mortar cake, is a kind of food widely loved by people in Cengong. It is often used as food for breakfast and supper. It is a local specialty in Cengong. People in Cengong love grey alkali cake and are better at making it, especially farmers along the Longjiang River. Every household makes grey alkali cake during the Spring Festival to celebrate the arrival of the New Year. Gray alkali cake is loved by people because of its convenient eating and storage. When eating, cut it into strips or squares, put it in boiling water, cook it thoroughly, take it out and put it in a bowl filled with oil soup, and mix it with seasonings such as minced meat, chopped green onion, sesame oil, monosodium glutamate, soy sauce and pepper. When it is stored, it can be put into a porcelain basin or porcelain jar filled with cold water, and the clean water should be changed frequently to prevent the gray alkali cake from being polluted by water quality changes. According to this storage, the quality can generally be guaranteed for 1-2 months, and it can be guaranteed for half a year in winter.

Gray alkali cake is a kind of cake food, which is made from stem rice and plant ash according to a specific process. plant ash is used as an auxiliary raw material, and the alkaline effect of plant ash is utilized, so it is named gray alkali cake. Rice bean curd is a well-known delicacy in Longtianji Town, Cengong. It tastes good and mellow, and it can quench thirst, help digestion and increase appetite. It is very popular with people, and everyone who has eaten it will be amazed. Every market, people who go to the streets to have a full meal at the rice tofu shop. Usually, passers-by are no exception, especially after the development of Zhumulin scenery in recent years, the number of tourists visiting Zhumulin scenery has increased, and the number of people who taste rice tofu has also increased, and the business of rice tofu has become more and more prosperous.

Rice bean curd is made by soaking rice (mainly stem rice) with lime water, washing the rice with clear water, grinding the rice into rice pulp with a stone mill or a pulp grinder, pouring it into an iron pot, cooking it with slow fire and shaking it into a noodle shape, saving it and cooling it in a porcelain basin. It is usually eaten as a cold drink, and can be eaten after being boiled with boiling water in cold winter. When eating, cut it into rectangular strips or square blocks, and mix with chopped green onion, sesame oil, vinegar, monosodium glutamate, soy sauce, baked soybeans, broken ears and other condiments to eat. Rice tofu can be eaten all year round in Longtianji Town.