Yangmu square bridge is not easily deformed and can be used in a cyclic manner. The bridge piers are constantly cracked and corrosion-resistant

Description :

Yangmu Fang Yangmu Processing Factory is a fast-growing and high-yield tree species, which has the characteristics of wide adaptability, long annual growth period, and fast production speed. It is widely planted in both southern and northern China, and the poplar resources are relatively abundant. Poplar wood is currently mainly used as a core board for solid wood composite flooring, building templates, baseboards, short cycle industrial raw materials, or tree species for road and river greening. So what is the prospect of poplar wood processing?

　　Yangmu Square Wood Processing Factory Poplar plantation wood has become the main raw material for China's artificial board industry, especially for artificial board enterprises in North China, East China, and Central South regions. Taking plywood production as an example, there are more than 6000 enterprises nationwide that widely utilize local poplar plantation wood resources to produce veneer and plywood. The production of plywood and particleboard from poplar wood is common in China's wood processing industry and furniture production enterprises. Its board is lightweight and easy to process, and can be widely used in furniture production and interior decoration of buildings. In the production of plywood and blockboard, poplar is used as raw material for Flat noodles and core veneer, except for the outer surface of blockboard. The small path wood, tips, branches, and factory waste of poplar trees are ideal raw materials for producing particleboard and medium density fiberboard. In order to explore and expand China's pulp and paper material resources, poplar plantation wood has been widely used in the pulp and paper industry. From the perspective of the fiber morphology and chemical composition of poplar wood, it has a high content of cellulose (80%), a low content of lignin (20-25%), and fewer non cellulose impurities. Poplar, apart from its fiber length, has other characteristics similar to spruce. Poplar has a pure white color, is easy to bleach, and can balance pulp yield, strength, and whiteness, making it a suitable raw material for pulp and paper production.

　　Since 1998, China has implemented the Natural Forest Protection Project in key areas. 67% of the forestry land in key areas has been designated as ecological protection zones, and forest logging in prohibited areas has completely stopped. The timber production in buffer zones has also been significantly reduced, and the total supply of commercial timber in the country has shrunk by one-third. In order to achieve the expected economic growth rate, the country has adopted economic policies such as increasing infrastructure construction and developing real estate to drive economic growth, and the development of infrastructure and real estate industries will inevitably expand the demand for timber. With the development of the economy and the continuous improvement of people's living standards, consumer attitudes are constantly changing, and higher requirements are put forward for the decoration of houses. Wood, as an important decorative material, will inevitably expand in demand. In 1999, the consumption of commodity materials in China was 143 million cubic meters, nearly double the 75.6 million cubic meters in 1981, with an annual increase of 4%. According to predictions, the demand for wood in 2005 was 280 million cubic meters, and in 2015 it was 300 million cubic meters. The annual shortage of wood and wood products is about 100 million cubic meters, and the contradiction of insufficient total wood supply will exist for a long time. Due to the emphasis on ecological protection and restrictions on natural forest logging and export of forest products in various countries, China relies on imported timber to meet its timber demand

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