Shellfish carving introduction: shellfish carving is China's arts and crafts in the garden of treasures, is a common traditional crafts in coastal areas. Shellfish carving paintings produced in Hubei Shinyang (now Xiantao City), Dalian, Liaoning, Qingdao, Shandong, Beihai, Guangdong, Fujian and other places. It takes shells from rivers, lakes and oceans as materials, and takes their natural shapes as well as the gorgeous colors on the outside and inside, and is made after careful selection, carving, carving and assembling. It has a wide range of subjects, rich in content, drawing on the chapter and verse of Chinese painting, concise composition, and its carving techniques draw on the strengths of jade, tooth carving, inlay and other arts, exquisite production, works of glittering, gorgeous style.

Introduction of spiral inlay: spiral inlay, also known as spiral Dian, spiral filler, inlay, trap clam, inlay screw, can screw and Luo Dian, etc., spiral inlay is a unique Chinese Han art treasures. The so-called conch tin, refers to the use of conch shells and sea shells ground into figures, birds and flowers, geometric shapes or text, etc., according to the picture needs to be inlaid in the surface of the decorative craft of the general term. Tin of the "tin" word, according to the "Dictionary" in the notes, for the meaning of inlay decoration. As a result of studded is a natural thing, the appearance of natural beauty, has a very strong visual effect, so it is also one of the most common traditional decorative arts, is widely used in lacquer, furniture, musical instruments, screens, boxes, pots and pans, wood carvings, as well as related artifacts.