In the past 10 years, it has been a short-lived moment in history; but for an industry, it is a time period that can change dramatically. 10 years ago, the stone industry was seriously polluted and had low technical content, mainly relying on manual manufacturing. At present, the stone industry is gradually developing into a modern industry with low carbon, mechanical production and industrial clusters as the fulcrum. Zou Chuansheng, president of China Stone Association, introduced to reporters a huge change in China's stone industry in the past 10 years: In 2000, the sales revenue of stone enterprises above designated size was less than 20 billion yuan; in 2011, more than 3,000 scales nationwide. The sales revenue of stone enterprises reached more than 230 billion yuan; in 2000, the import value of China's stone products was only 400 million US dollars; in 2011, China's stone products imports amounted to 2.5 billion US dollars; in 2000, China's stone products exports amounted to 800 million US dollars; In 2011, China's stone products exports increased to 5.1 billion US dollars. Large adjustment of structure: elimination of backward production capacity Zou Chuansheng believes that the development of the stone industry and the internal structural adjustment are inseparable. In the past 10 years, the rectification and standardization of stone mines have been continuously promoted throughout the country, and many areas have gradually shut down small mining enterprises that do not meet the requirements. Supported by policies such as helping the city and eliminating backward production capacity, the backward small stone enterprises have been gradually eliminated, and large stone enterprises have gained more room for development, and the industry concentration has been improved. In 2010, there were about 50 stone enterprises with sales revenues exceeding 200 million yuan, and about 20 stone enterprises with sales revenues exceeding 500 million yuan. In addition, some stone enterprises have “goed out†to develop foreign stone resources, and a number of leading stone enterprises have received orders for foreign stone processing. Zou Chuansheng said that in the past 10 years, the mining technology has changed from drilling and blasting to mechanical sawing. The backward stone mining methods such as chamber blasting have been banned and eliminated, and the automation of stone processing has been greatly improved. Large and medium-sized stone processing enterprises have basically realized the recycling of wastewater and the discharge of the standard after treatment; the stone scrap and waste slag comprehensive utilization technology has made great breakthroughs. The artificial stone and stone mosaic products processed with stone trim have been successfully put on the market, with stone Large-scale production has been achieved in products such as sawdust and stone slag and stone powder as raw materials for building blocks and bricks. Technological development: realizing mechanized production Zou Chuansheng said that 10 years ago, stone processing relied on labor; now, stone professional equipment development and manufacturing industry is developing rapidly, sawing machine, automatic polishing machine, mining circular saw, block loader A number of mechanical equipment with independent intellectual property rights have been developed and applied. Domestic stone processing machinery can not only meet the needs of the domestic stone processing industry, but also export abroad and earn foreign exchange. In addition, the automation, digitization, intelligent equipment and process of processing stone products have been widely used. Large-scale stone enterprises currently use high-tech mechanical equipment such as infrared positioning cutting machine, numerical control equipment, automatic polishing line and automatic glue production line. The international advanced equipment for stone cutting and wire cutting, such as stone diamond bead wire saw, disc saw machine and chain arm saw, has also been popularized and applied. According to Zou Chuansheng, at present, some stone enterprises use CAD (Computer Aided Design Technology) to process complex products and design stone art decorations. Some companies have also set up a stone art creative design center to continuously enhance the innovative ability of designers and promote the upgrading of stone products. Industry concentration: regional economic development It is understood that cluster development is the outstanding feature of the stone industry. Zou Chuansheng said that in recent years, the number of stone industry clusters in China has increased and the scale has been continuously expanded. There are more than 30 stone industry clusters with a certain scale, which are distributed throughout the country. China's stone industry cluster production of stone has accounted for about 80% of the country's total stone output. In addition, the development of the stone industry cluster has also driven the development of related industries such as logistics and transportation, machinery maintenance, construction and installation, and professional nursing, thus driving the development of the regional economy. Zou Chuansheng also introduced that 10 years ago, the development of the stone industry was blind and lacked scientific master planning, which led to problems such as resource waste, environmental pollution and ecological damage. Nowadays, all regions pay more and more attention to resource conservation and environmental protection issues. By rectifying, integrating and closing small mines and small processing plants, resources are wasted and ecological environment is destroyed.
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