According to incomplete statistics, the estimated reserves of marble in China are about 24 billion cubic meters. Granite rock mass accounts for about 9% of China's land area, reaching more than 800,000 square kilometers in China, especially in the southeastern region. A large area reveals various types of granite rock masses, which shows that its long-term reserves are rare in the world. These figures fully show that China has become a stone economy big country with rich and colorful mineral resources. Table 1 Statistics on the proportion of China's stone exports to various continents in 2007 
After several years of development, China has become one of the world's largest producers of stone products. Stone products rank third after Italy and Spain, and exports are second only to Italy, becoming the world's second largest stone exporter. The amount of the leap, the output value of the stone industry has exceeded 20 billion yuan. Table 2 World Stone Blocks Trade Statistics from 2004 to 2006 (Unit: 10,000 tons) 
According to statistics from the industry, in 1994, the total output of Sanshi in China reached 90 million square meters, including 60 million square meters of granite, 20 million square meters of marble, and more than 3 million cubic meters of mining blocks. The granite and marble varieties that can be supplied in batches have been There are more than 200. Table 3 Statistics on the main export destinations of China's stone from 2003 to 2007 
At present, the world's stone production accounts for about 23 million tons, of which granite accounts for 36%, marble accounts for 56%, and other stone accounts for 8%. There are 27 major stone producing countries, of which 10 countries such as Italy, Spain and the United States account for 70% of the world's total output. The total trade volume of world stone is 9 million tons, including 3.5 million tons of finished products and 5.5 million tons of blocks. The total trade volume has exceeded 3 billion US dollars. The main exporting countries of finished products are Italy, Portugal and Spain. Italian exports of finished products account for about 50% of world exports. The main importers of finished products are Germany, the United States, the United Kingdom, Saudi Arabia, France, Switzerland, Japan and Hong Kong, with a total import volume of about 80% of the world's total imports. The main importing countries of the blocks are Italy, the Netherlands, Germany, the United States, France, Japan, and Taiwan Province of China. The import volume accounts for about 75% of the total imports. It can be seen that the stone export is very promising. In order to grasp such a great opportunity, participate in the fierce competition in the international stone market. To this end, the stone industry has put forward the "Twelfth Five-Year Plan" strategic goal. By 2015, the company will achieve the following goals: The sales income of enterprises above the scale of the whole industry (annual sales income of more than 20 million yuan) will be 350-400 billion yuan, with an average annual growth rate of more than 20%; the industrial added value of the whole industry will increase by more than 20% annually. The added value of stone processed products accounted for more than 65% of the added value of the industry; domestic sales accounted for 90% of the total stone output; the concentration of production in the whole industry was significantly improved, and the proportion of sales of enterprises above the scale (annual sales income of more than 200 million yuan) Up to 70%; cultivate one or two enterprise groups with annual sales income exceeding 5 billion yuan, 20 enterprises with sales income of more than 1 billion yuan, 30 enterprises with 500 million yuan to 1 billion yuan, and 100 enterprises with 200 million yuan to 500 million yuan. Strive for 5-8 companies to list in China and abroad; optimize the layout, and cultivate 2-3 high-level stone processing and distribution centers with annual sales income of more than 10 billion yuan in the northern coastal and the middle and western sections of the Yangtze River; established in Fujian, Shandong and Guangdong Development plans for stone development and application centers, design and development centers, mechanical equipment research and development centers, and application nursing materials development centers at the provincial level and above. According to industry experts, 70% to 80% of China's synthetic diamond production is used in the stone industry. Since the end of the 1960s, China has introduced artificial diamond garden saw blade cutting technology, and has cooperated with scientific research units and stone processing plants for more than ten years. Promote continuous diamond cutting in the stone cutting process. Up to now, its penetration rate has reached about 90%. In the early 1980s, with the tide of reform and opening up, China's stone industry has introduced more than 200 stone processing production lines from all over the world. Our country's stone processing industry has kept up with the world's most advanced technology to ensure the normal operation of these production lines. China has also introduced several diamond tools to create a pipeline. In addition, our valuable experience in researching, developing and using diamond tools over the years has extended the application of diamond tools to sawing, cutting, milling and drilling. The localization of tools has reached 100%. Greatly promoted the rapid development of the stone industry. Undoubtedly, this achievement is huge. The further development of the stone industry will bring new opportunities and hopes for the development of the synthetic diamond industry.
After several years of development, China has become one of the world's largest producers of stone products. Stone products rank third after Italy and Spain, and exports are second only to Italy, becoming the world's second largest stone exporter. The amount of the leap, the output value of the stone industry has exceeded 20 billion yuan. Table 2 World Stone Blocks Trade Statistics from 2004 to 2006 (Unit: 10,000 tons) According to statistics from the industry, in 1994, the total output of Sanshi in China reached 90 million square meters, including 60 million square meters of granite, 20 million square meters of marble, and more than 3 million cubic meters of mining blocks. The granite and marble varieties that can be supplied in batches have been There are more than 200. Table 3 Statistics on the main export destinations of China's stone from 2003 to 2007 At present, the world's stone production accounts for about 23 million tons, of which granite accounts for 36%, marble accounts for 56%, and other stone accounts for 8%. There are 27 major stone producing countries, of which 10 countries such as Italy, Spain and the United States account for 70% of the world's total output. The total trade volume of world stone is 9 million tons, including 3.5 million tons of finished products and 5.5 million tons of blocks. The total trade volume has exceeded 3 billion US dollars. The main exporting countries of finished products are Italy, Portugal and Spain. Italian exports of finished products account for about 50% of world exports. The main importers of finished products are Germany, the United States, the United Kingdom, Saudi Arabia, France, Switzerland, Japan and Hong Kong, with a total import volume of about 80% of the world's total imports. The main importing countries of the blocks are Italy, the Netherlands, Germany, the United States, France, Japan, and Taiwan Province of China. The import volume accounts for about 75% of the total imports. It can be seen that the stone export is very promising. In order to grasp such a great opportunity, participate in the fierce competition in the international stone market. To this end, the stone industry has put forward the "Twelfth Five-Year Plan" strategic goal. By 2015, the company will achieve the following goals: The sales income of enterprises above the scale of the whole industry (annual sales income of more than 20 million yuan) will be 350-400 billion yuan, with an average annual growth rate of more than 20%; the industrial added value of the whole industry will increase by more than 20% annually. The added value of stone processed products accounted for more than 65% of the added value of the industry; domestic sales accounted for 90% of the total stone output; the concentration of production in the whole industry was significantly improved, and the proportion of sales of enterprises above the scale (annual sales income of more than 200 million yuan) Up to 70%; cultivate one or two enterprise groups with annual sales income exceeding 5 billion yuan, 20 enterprises with sales income of more than 1 billion yuan, 30 enterprises with 500 million yuan to 1 billion yuan, and 100 enterprises with 200 million yuan to 500 million yuan. Strive for 5-8 companies to list in China and abroad; optimize the layout, and cultivate 2-3 high-level stone processing and distribution centers with annual sales income of more than 10 billion yuan in the northern coastal and the middle and western sections of the Yangtze River; established in Fujian, Shandong and Guangdong Development plans for stone development and application centers, design and development centers, mechanical equipment research and development centers, and application nursing materials development centers at the provincial level and above. According to industry experts, 70% to 80% of China's synthetic diamond production is used in the stone industry. Since the end of the 1960s, China has introduced artificial diamond garden saw blade cutting technology, and has cooperated with scientific research units and stone processing plants for more than ten years. Promote continuous diamond cutting in the stone cutting process. Up to now, its penetration rate has reached about 90%. In the early 1980s, with the tide of reform and opening up, China's stone industry has introduced more than 200 stone processing production lines from all over the world. Our country's stone processing industry has kept up with the world's most advanced technology to ensure the normal operation of these production lines. China has also introduced several diamond tools to create a pipeline. In addition, our valuable experience in researching, developing and using diamond tools over the years has extended the application of diamond tools to sawing, cutting, milling and drilling. The localization of tools has reached 100%. Greatly promoted the rapid development of the stone industry. Undoubtedly, this achievement is huge. The further development of the stone industry will bring new opportunities and hopes for the development of the synthetic diamond industry.Plastic Film Faced Plywood With Hardwood Core
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