Exterior wall insulation decorative board is also called exterior wall insulation board, exterior wall board, metal curtain wall board, etc. It is a kind of exterior wall thermal insulation decorative wallboard made of high-quality galvanized sheet with color coating printing and thermal insulation materials. It is also a kind of new exterior wall external insulation board, which changes the disadvantages of single decoration color and no insulation layer in the past. The external thermal insulation system of thermal insulation decorative plate is a kind of external thermal insulation technology that has developed very rapidly in recent years. It has the advantages of factory prefabrication site quality control, cycle saving, and very beautiful curtain wall effect. Now, more and more public buildings and high-grade residential buildings are using the external thermal insulation technology of thermal insulation decorative panels. Various regions are also constantly issuing standards and guidance documents for the thermal insulation decorative board system, which is good news for the development of thermal insulation decorative board products.

Micro carving is a kind of carving technique that is good at small and fine. Chinese micro sculpture has a long history. Miniature carvings appeared in oracle bone inscriptions as far back as the Shang Dynasty. During the Warring States Period, the seal was as small as millet, but the seal was divided into white and black. Wang Shuyuan's Nuclear Boat Story, which is widely known, is also a classic work of micro sculpture in Chinese history. The art of seal cutting is the basis for the emergence and development of micro carving art. Since the Ming and Qing Dynasties, many literati and scholars have used iron pen to write and paint in the seal, to express their interest and entertain themselves. After Shoushan Stone became the seal material, the micro carving art of Shoushan Stone began to appear. At the beginning of the Qing Dynasty, Yang Xuan and Diaobin both carved small characters in the remote patterns of Shoushan stone carvings. Lin Qingqing, a master of "Ximen Boyi School" carving, also often wrote his name and date of production in the grass and stone crevices of the carved works with extremely fine pen. Later, some people carved ancient poems with extremely fine characters on the four sides of the square pillars of the seal as margin. In the 1960s, with the application of advanced scientific instruments such as magnifiers in the field of micro sculpture, micro sculpture art became a new and unique art. The words carved in the works are smaller and smaller, and the content is more and more. Microcarvings pay special attention to the selection of materials. The texture of the Hainan EPS component stone is required to be absolutely pure, and there should be no sand grid and half silk cracks, because half of the sand dot may be engraved with more than 10 Chinese characters. Secondly, the micro carving knife is also a special thin knife, which should be sharp and sharp. Third, it is necessary to have a particularly proficient knowledge of calligraphy and traditional Chinese painting. When carving, you can carry out "free engraving". Fourth, hold your breath and concentrate on your thoughts on the spot. Fifth, the knife should be handled steadily, accurately and ruthlessly. Only in this way can calligraphy and knife technique be perfectly unified. The art of micro sculpture is "art in micro". The more subtle it is, the more refined its kungfu is, and the higher its value is. Microcarving is also an art that pays great attention to the picture and organization, which is "intended to be refined". The sculptor of micro sculpture should first have a deep knowledge of calligraphy and painting. Although the micro sculpture is too small to be recognized with the naked eye, it is still very exquisite under the magnifying glass, such as large calligraphy works.

Copper casting is an important part of Chinese traditional culture and art. Copper casting has a long history and mature technology. The process of casting copper is more complicated than that of forging copper, and the artistic creation has a good recovery. Therefore, it is suitable for becoming the material of fine works and is very popular with artists, especially figure sculpture. But it is easy to oxidize, so pay more attention to maintenance. Each cast copper artwork is made through 11 complex and rigorous processes, which include traces of traditional handicrafts, lines and modern technology of precision casting. Cast copper is put into the sintering furnace and sintered at 1000 ℃ - 1150 ℃ according to different metal materials. The copper liquid is immediately cast into the ceramic shell. After cooling, the outer ceramic shell is broken, and the copper product rough embryo is peeled out.

Lacquer carving is a traditional handicraft in China, also called red carving. Its technique began in the Tang Dynasty, and its process is extremely complex. Paint, tire The process of polishing and polishing is complicated and takes a long time, so large lacquer carvings are also extremely expensive and have always been the furnishings of royal families and nobles in ancient times. Lacquer carving is a technique to carve patterns on stacked flat lacquer bodies. It was introduced into Beijing during the Yuan and Ming Dynasties. Through the painstaking research of lacquer carving artists, the lacquer carving technique has gradually become perfect and mature, and lacquerware has become a handicraft with Beijing characteristics. Beijing lacquer carving is as famous as Hunan Hunan embroidery and Jiangxi Jingdezhen porcelain. It has been known as the "Three Masters of Chinese Arts and Crafts". For many years, lacquer carving has been favored by lacquer carving art lovers at home and abroad for its unique craft, exquisite and beautiful shape without losing a sense of solemnity.

The art of carving various patterns and images on stones, usually also refers to sculpture handicrafts carved from stones. Chinese stone carving can be divided into bluestone carving, marble carving, white marble carving, talc carving, black crystal carving, colored stone carving, pebble carving, etc. Hui'an, Fujian, is famous for its bluestone carvings for architectural decoration and stone lions, among which the mouth of the stone lion contains stone beads that roll freely, and is famous in Southeast Asia. The marble carving in Yunnan is made from the marble of Diancang Mountain. Its patterns are like colored mountains and rivers, or dangerous peaks and valleys, or waterfalls follow the clouds. The inlaid furniture is unique. The white marble carvings in Quyang, Hebei, Fangshan, Beijing and other places were mainly used for palace architectural decoration in the Ming and Qing dynasties, such as Huabiao, Shishi high quality GRC component Railings, etc; Modern times are used for decoration of public and memorial buildings, such as the Great Hall of the People, the Monument to the People's Heroes, Chairman Mao's Memorial Hall, etc. Talc carvings in Haicheng, Liaoning Province and Laizhou, Shandong Province use small and cute animals as traditional varieties. The carvings of black crystal stone in Dongkou, Hunan and Lichuan, Hubei are dark and bright. Caishi carving is mainly produced in Qingtian, Zhejiang, Shoushan, Fuzhou and Liuyang, Hunan. Pebble carvings are mainly produced in Lanzhou, Shenyang and other places. Guangdong GRC component Stone carving techniques include intaglio (contour carving), shadow carving, relief, round carving (complete three-dimensional carving without any background), and openwork (also known as openwork). Shadow carving is a unique technique of Fujian Hui'an bluestone carving. It uses steel drills of different sizes to chisel on the bluestone, and uses the size, depth and density of the drill points to express the images of landscapes, birds, animals, people, flowers, etc.