Stone import and export steadily increase mining technology needs to be improved
March 16 12:16:20, 2023
In 2010, the total volume and quantity of China's stone imports and exports increased compared with 2009, with imports and exports of 6.395 billion US dollars and 33.86 million tons respectively, an increase of 27% and 15.5% respectively compared with 2009. In 2011, China's total import and export of stone was 12.12 million tons, accounting for 44.9% of the world trade volume; China's total import and export of stone was 1.585 billion US dollars, accounting for 13.2% of world trade. From January to December 2011, the national natural marble building board production reached 65.68 million square meters, an increase of 29.22%. From the production of various provinces and cities, from January to December 2011, the output of natural marble building panels in Guangxi reached 150.58 million square meters, an increase of 26.73%, accounting for 22.93% of the country's total output. Followed by Fujian, Hebei and Shandong, accounting for 15.93%, 10.38% and 8.63% of the total output, respectively. From the perspective of the international market, the growth rate of stone is higher than the growth rate of the world economy. It is expected that the annual growth rate of world stone will still reach 6% in the next 20 years. Therefore, China's stone exports have reasons to be optimistic. Although China's stone enterprises have basically achieved semi-mechanical production. However, stone mining and processing technology is still lagging behind developed countries. For example, the volume of stone blocks mined in countries such as Italy and Spain is generally above 7 cubic meters to 10 cubic meters, while the volume of China's mined stone blocks is mostly below 2 cubic meters. Therefore, the waste of stone resources is very serious. Stone is a non-renewable resource, and improving the level of mining technology is to save stone resources.
Yu Ou Nuo Roof Rock Wool Insulation Board are suitable for fire prevention, heat preservation and heat insulation of external walls and roofs. Rock wool board is a kind of external wall thermal insulation material, with good thermal insulation effect, low thermal conductivity, high A1 fire grade, non flammability, strong high temperature shrinkage resistance, high quality and low price, which is convenient for construction and installation.Rock Wool Boardis an inorganic fiber board made of basalt as the main raw material through high temperature melting processing , is widely used in petrochemical, textile metallurgy, power transportation, construction agriculture and other fields.
The artificial inorganic fiber made of rock wool board by high temperature melting process has the characteristics of light weight, small thermal conductivity, heat absorption and incombustibility. The initial development is a common type of application in construction, which is mostly used in industrial buildings. Rock wool is a kind of external insulation material. When the market share of 90% of the organic thermal insulation materials is stagnant, rock wool, as an inorganic thermal insulation material for exterior wall, has ushered in an unprecedented market opportunity.
Roof Rock Wool Heat Insulation Board,Roof Insulation Compressed Rockwool Board,Roofing Waterproof Rock Wool Board,Roof Waterproof Stone Wool Board