Hey, the full name of Zhangzhou, one of China's four famous names, is the same as Gansu and Guangdong. Cangzhou, which is produced between Huangshan Mountain in Anhui Province and Tianmu Mountain and Baiji Mountain, includes counties such as Jixian, Xiuning, Qimen, Qixian and Wuyuan. The origin of the meteorite is the best of the Longwei Mountain (Ruoshan Mountain) at the junction of Wuyuan and Jixian, so it is also known as the Longwei Mountain, while the Longwei Mountain is the source of most of the treasures. In addition, the county, Xiuning County, and Qimen County also produce pupa.

The dragon-tailed dragonfly is one of the four famous names in China. It is produced in Longwei Mountain, Wuyuan County, Jiangxi Province. Because of the ancient name of Wuzhou, it is also known as the state. It is the same name as Gansu, Guangdong Duan and Huanghe Chengmu. In the history, during the Tang Kaiyuan years, the hunter Ye’s beasts in the Great Wall, see Shi Rucheng as a base, Ying Jie cute, because of the return, the publication is rough. This is also the beginning of the beginning. Today, 歙砚 inherits the traditional style, in the shape, decoration, layout and carving skills, extensively draws the artistic features of the stone, Han Wei stone carving, Chinese painting, etc., forming a unique style of "clear, elegant, simple, simple", deeply popular Appreciated, it is praised by today's painters as a brilliant "Pearl of the Kingdom of China". The production process of enamel is very cumbersome. From the selection of materials, billet, design, engraving, polishing, glazing, each part must be carefully carved by the engraver to complete one side. The level of the engraver and the level of the realm directly determine the value of one side. Stone is also a key indicator affecting the value of the dragon's tail. Since ancient times. After summing up by famous experts, it is generally possible to identify the stone of a dragon's tail from the touch, listen, see, wash and so on. Touch: gently rub the face with your hands, feels like the skin of a child's skin is smooth and smooth, indicating that the stone quality is excellent, the hand feel is rough, the cold is good. Look: The meteorite has many natural textures, such as eyebrows, gold stars, golden halos, caviar, etc. The texture is wonderful, there are many dark textures that are not easy to see, you can put the meteorite into the water to see, no stone cracks Good. Secondly, look at the sculpture, the meaning is good, there is connotation, the fine workmanship is good, and the material industry can be called the top product. Knocking: You will use the five-finger to slam the air. If the meteorite sends out a crisp "镗镗" metal sound, the sound is dull and the tortoise is heavy. Washing: After the ink is researched, it is easy to wash and wash. The ancients often praised "the storage of ink for many years, and the washing is clean." Most of the inks are made of ink, but the ink used is preferably fine micro ink, so as not to scratch the face. Inject the appropriate amount of water into the Dianchi Lake when the ink is rubbed. Then, the ink body is vertical, and the light is turned slightly. After the slow and fast, the dense ink is naturally developed. After use, wash it with water and dry it with a soft cloth. Can be rubbed with walnut oil or emollient oil when not in use. To keep the gloss, put it in the box.

歙砚Quality technical requirements I. Classification 1. According to the shape: size 随 and follow-up 歙砚. 2. 3. According to geological (rock) credits: the ochre features are mainly divided into three types: sedimentary structure, texture, and composite texture (mixed ornamentation). 4. According to the natural texture: there are mainly eyebrow lines, ribs, gold stars, gold halo, caviar lines, band lines, blush, indigo, purple cloud jade eight categories, including a variety of stone products under each category. Second, the raw material requirements (a) according to the source of meteorites: 1. The crater of Lushan Mountain (Longwei Mountain) within the scope of production includes: Meizikeng, ribbed pit, water sump, Jinxingkeng, ribbed mountain pit (ancient rhinoceros pit), tight foot pit, water fern pit, Zhuangji pit, Ye Jiukeng, Lingbeikeng, Xitoukeng, Waizhuangkeng, Qiaotoukeng, etc., as well as Furongxizishi, Wuxizishi, Miaoqianqing, Chailinshi, school backstone, eucalyptus backstone. 2. 3. Xitou Pit (Longtan Stone), Yanyuan Pit, Ziyun Pit, Miaoqian Pit, Qiahe Pit, Suchuan Pit, Dalian Pit, and Lingnan Pit in the area of ​​production. (2) According to the quality of the meteorites: the stone is warm and moist like jade, and the whole is transparent; the texture is clear and dense, the stone color is clear, the color is bright; the natural texture and the pretty color are buckled. Third, the production process quarrying → material selection → billet → design → engraving → grinding → glazing maintenance → boxing → packaging. Fourth, the quality requirements 1. Meteorite: The stone is excellent, it should be carved, the fine and fine, and it has the characteristics of “firm, moist, soft, healthy, fine, greasy, clean and beautiful”. The meteorite used for the processing of calligraphy and painting should also be combined with the quality of the firm and moist, with the sound of the buckle, the care of the skin, and the ink. 2. 3. Engraving: The lines are accurate and smooth, the objects are clear, the layers are distinct, the carvings are exquisite, the style is dignified, and it is rich in Huizhou culture. V. Main technical indicators 1. Physical properties: Mohs hardness 3 to 5; Bulk density / (g/cm3) 2.5 to 3.0; Water absorption / (%) 0.1 to 0.2; Ink volume / (mm3 / min) ≥ 6 (Ink amount is only applicable to Calligraphy and painting). 2. (2) With the shape: size tolerance is not required. (3) 砚 box: the bottom and the cover are in agreement, and the letter pattern and logo printed on the box should be clear. Sixth, safety and other quality technical requirements: product safety and other quality technical requirements must comply with relevant national regulations

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Producers within the scope of production can submit an application to the Anhui Provincial Bureau of Quality and Technical Supervision for the use of the “Special Mark for Geographical Indication Products”, which will be reviewed by the Anhui Provincial Bureau of Quality and Technical Supervision and announced to the General Administration of Quality Supervision, Inspection and Quarantine for approval. The testing organization of the company is selected by the Anhui Provincial Bureau of Quality and Technical Supervision in the testing institutions that meet the qualification requirements.