The world's treasures are the first, and the jade is the best. Xiuyan jade is an important member of the Chinese jade family. It is known as the "Glory of Ancient Jade, the Treasure of the Year". Xiuyan Yushan raw water reservoir, the texture is tough, delicate and moist, bright and colorful. It has the characteristics of large block size, beautiful color, high brightness, pure purity, good density and hardness. It has been an ideal jade carving material since ancient times.

Yuyu, named after the Xiuyan Manchu Autonomous County in Anshan City, Liaoning Province, is one of the four famous jade in Chinese history. The unique natural environment and complex geological structure have nurtured abundant jade resources and other resources. The diligent and intelligent people have created a wonderful art represented by jade carvings, ancient traditions and long history, which have formed a geographically rich feature. Saitama culture. Saitama, a serpentine, is formed in the metamorphic marble of magnesia carbonate. There are many deposits in this geological environment in China, so the origin of the jade is very wide. The appearance of the jade jade is blue-green, yellow-green, translucent, waxy after polishing, and the hardness is 3.5 to 5 degrees. The jade material used in the Hongshan culture of the Neolithic Age is produced in the fine jade ditch in Xiuyan, commonly known as the old jade, which is a tremolite nephrite. Most of the jade materials excavated from the Shang Dynasty Women's Tomb are similar to the Xiuyan Wagou minerals. The mining of the jade and jade mines is very rich and the reserves are abundant. For China's current main jade mining area, the output accounts for about 60% of the country. The theme of Xiuyan jade carving is very wide. The content of the performance is rich and varied. From nature to society, from history to reality, from myth to life, there are many kinds of sculptures. The shape is profound and simple, yet elegant, rigorous and unified, and very varied, it can be described as both form and spirit, very rich. In particular, the furnaces, bottles, and scented before the Qin Dynasty and the Qin and Han dynasties are known for their longevity. They are the best in the same industry. In terms of scale, they are both magnificent, large to several tons or even hundreds of tons. You can't help but be impressed by the small pieces that people love and can't put down. Daiyu is a famous Chinese jade, and it is also the main jade material in contemporary China. According to the mineral composition, there are two types of tremolite, soft jade and serpentine. Xiuyan nephrite is one of the most rare jade species, commonly known as “old jade”. The shale serpentine jade of "Mu and Jade" is called jade jade, and its quality and reserves are the first in its class. According to its origin, there are many different names such as Huagou jade and fine jade ditch. According to the classification of contemporary geology, jade jade can be divided into two categories: one is represented by Wagyu jade (also known as Xinshan jade in the world, compared with the jade jade jade known as “Laoshan jade”). Serpentine soft jade; the second is the fine jadeite jadeite, which is represented by fine jade, which is also known as the steel jade by the Japanese. Among them, Mohe jade and Shibaoyu are especially precious. Moyu is produced in the river of Xiuyugou. Because it is mixed in the gravel of the riverbed, it is washed by the river for a long time and the gravel is rubbed. The edges and corners are exhausted. The shape is like a stone, and the nephrite is hidden. It is very difficult to identify. jade". Xiuyan jade carving craft not only inherits the traditional Chinese jade craftsmanship, but also is rich in innovation. The work is mainly based on three-dimensional reeds and reliefs, supplemented by line carvings, enamel carvings, and openwork carvings, such as hook flowers, hook flowers, and topping flowers. Especially in the use of dirty and de-rooting, in accordance with the material and skillful use of color and long. Looking at today's Xiuyan jade carvings, it is even more blooming, constantly new, fine, treasures, giants. The types of jade jade, such as jasper, sapphire, topaz, white jade, jade, flower jade, lake jade, lake green, apple green, green and white, etc.; according to the discovery and mining time, there are old jade, new mountain jade; The jade output types are divided into Jingyu, Hangyu, Shibaoyu and Hemoyu.

Quality technical requirements of Xiuyan jade (1) Sensory characteristics of raw materials. 1. Saitama (serpentine jade): It is generally a dense block structure with good carving and polishing properties. Translucent to slightly transparent, glass luster to waxy luster, common colors are green, yellow, white, gray, black, brown or color. 2. Xiuyan soft jade (Tremolite jade): dense block structure, mainly felt-like structure, fine texture. Micro-transparent to opaque, glass luster to grease luster, common colors are white, yellow white, white, green, sugar, blue, ink and so on. (2) Characteristics of the original cooking. 1. Saitama (serpentine jade) (1) Mohs hardness: 4.7 to 5.4 (2) Density: 2.49 g/cm3 to 2.64 g/cm3 (3) Refractive index: 1.55 to 1.562. Xiuyan nephrite Shi Yu) (1) Mohs hardness: 5.6 to 6.5 (2) Density: 2.91 g/cm3 to 3.06 g/cm3 (3) Refractive index 1.60 to 1.62 (III) Product quality characteristics: 1. Sensory characteristics: (1) The shape is simple and sturdy, placed in a stable and beautiful, natural, real and vivid. The layout and the constitution of the composition are sparse and dense, with clear layers and prominent themes. (2) Exquisite workmanship, thick and round, smooth and polished. The face is smooth and small, and the land is small and neat; using a variety of techniques, measuring materials, materializing, smudging, and using pretty colors. 2. Quality grade: superior grade, first grade and second grade.

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Producers within the scope of protection of Xiuyan jade geographical indication products may apply to the Quality and Technical Supervision Bureau of Xiuyan Manchu Autonomous County for the use of the “Special Mark for Geographical Indication Products”, which shall be approved by the General Administration of Quality Supervision, Inspection and Quarantine.