Picea crassifolia, also known as Picea crassifolia, Picea crassifolia, Picea crassifolia, Picea crassifolia, etc., is endemic to China. It is widely distributed in the mountains of North China, and also in the Xiaoxing'an Mountains in the northeast. Spruce is also known as Maoxian spruce, Maoxian fir, etc; Spruce is the best material for domestic production of aircraft propellers; The rare and precious Chinese fir has been listed in the national Class II key protected wild plants list. The wood is straight, easy to cut, without hidden defects. The heartwood is yellow-white to light yellow-brown, with stripes. The difference between the heartwood and the sapwood is not obvious. It is easy to process, has good resonance performance, and has good coating performance. It can be used as poles, sleepers, construction, and bridge materials; It can also be used to make musical instruments, gliders, etc., and is also the raw material for paper making.

Spruce also refers to European white pine. Its annual ring is clear and fine, its texture is fine and straight, its quality is firm, its wood is uniform, its structure is fine, it is not easy to deform and crack, and its corrosion resistance is strong, and it is easy to polish. The surface after polishing is smooth and bright, it can absorb paint and colorants well, and it is easy to bond, and it has a high strength to weight ratio, good resilience and resilience, and can withstand sudden load. It also has soft color, fine texture and natural texture, which are naturally integrated into the furniture design, showing a simple and primitive beauty. Because of its excellent processing performance, it has become a famous wood for reprocessing. It is easy to dry, and its size is stable after drying, and it is not easy to warp or twist. Therefore, it has many advantages and wide uses, and is known as the "green diamond of northern Europe".
In addition, the Nordic spruce is also suitable for the construction of sauna rooms, ceiling, indoor walls, floors and ceilings. The advantages of the finished product are: no bending, no reverse tension, no bending, no deformation. The treated spruce sauna board is not afraid of water. Nordic spruce solid wood decorative board is widely used in various living spaces, such as living room, baby room, etc. in Europe, America, Japan and other markets as the choice of home decoration materials.