Jiangxi Jinang wire cutting machine and other equipment manufacturing industry development

Recently, I learned from reliable sources that the provincial Party committee and the provincial government of Jiangxi have officially designated the advanced equipment manufacturing industry as one of the ten strategic emerging industries in the province. This decision aligns perfectly with the region's strengths and the needs of its economic development. Over the past few years, under the guidance of relevant departments, Jiangxi has been actively promoting technological innovation and collaboration between enterprises and academic institutions. A number of leading companies in the province have worked closely with universities and research institutes, both domestically and internationally, to bring in top-tier talent and tackle critical technological challenges. As a result, they have successfully developed several highly competitive products that are either already on the market or poised to launch soon. These innovations are expected to play a pivotal role in driving Jiangxi’s strategic emerging industries forward. One notable example is the Diamond Wire Cutting Machine, a patented product developed by Xinyu Yinlong Electromechanical Technology Co., Ltd. This state-of-the-art equipment is designed for cutting ultra-hard and ultra-thin materials like the next-generation crystalline silicon and mobile phone glass. Its cutting speed is two to three times faster than traditional mortar cutting machines, with a line consumption of just 0.6 meters per piece and a yield of over 98%. The company has also achieved mass production of ultra-thin single-crystal silicon wafers at 150 microns, using a cutting fluid cost of only 0.5 million yuan per ton. Moreover, the silicon powder recovery rate reaches 80%, with a purity of 6N. The overall technical specifications of this machine match those of foreign counterparts, but it offers better cost-performance compared to imported models. Currently, small-scale trial production is underway. The successful development of this machine will break Japan's technological monopoly in this field and establish China's first professional manufacturer of ultra-thin diamond wire cutting machines at an international level. This breakthrough will significantly alter China's reliance on foreign technology for cutting ultra-hard and ultra-thin materials. Another significant achievement is the LED-specific MOCVD (Metal Organic Chemical Vapor Deposition) equipment developed by Nanchang University. This is a crucial device for producing green light sources entirely within China. The prototype of the 37×2-inch MOCVD equipment has already been completed, boasting a production capacity of 37×2 wafers per furnace. The substrate temperature ranges from 0°C to 1200°C, with a temperature control accuracy of ±0.5°C. The growth rate of the N layer is 6 µm/hour, and the LED electro-optical conversion efficiency reaches 52%. This versatile equipment can be used not only for traditional sapphire substrates but also for silicon-based LED epitaxial film production, offering a cost advantage over similar foreign products. Small-scale production is currently underway, and the goal is to achieve full-scale industrialization of LED core equipment and technology with complete intellectual property rights within the next few years. These advancements underscore Jiangxi's commitment to fostering innovation and establishing itself as a leader in strategic emerging industries.

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