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According to Li Dongping, chairman of South China (Guilin) ​​Rubber Co., Ltd., the R&D project of “Key Steel Manufacturing Machinery Tire Key Production Process Technology and Equipment†with a total investment of 620 million yuan is a National Science and Technology Support Plan Project, 2007 5 Month starts to start. South China (Guilin) ​​organized a strong R&D center to carry out the core technology research, and on December 22, 2007, it successfully launched the first 36.00R51 steel giant tire in China, and began trial production in April 2008. At present, all steel giant tires have been tested in the Inner Mongolia Baiyun Iron Mine for more than 2,000 hours, nearly 30,000 kilometers, and all performance tests are good.
Li Dongping said that the giant engineering tires are tires for engineering vehicles and construction machinery with a load of over 100 tons, and are divided into giant tires and large radial tires. The huge size of engineering giant tires is generally 30.00-51 or more. The giant radial tires integrate cutting-edge technologies in tire production technology, structural design, and equipment allocation. The technical content is high, production is difficult, and the added value is high. Production technology has been monopolized by a handful of foreign companies. “We rely on the R&D center established by the company to carry out core technology research and finally built the first 36R51 all-steel giant tire production line with independent intellectual property rights in China. We own 104 process patents on this production line, and we have now applied for a patent. 56 items, including 32 invention patents, and 21 authorized patents.â€
The R&D project for the “Key Manufacturing Technology and Equipment for Key Technologies of All-steel Radial Mega Construction Machinery Tires†is designed to produce 10,000 giant all-steel radial mechanized tires annually. The products include 30R51, 36R51, 40R57, 65R63, 85R63 and other giant engineering tires. It plans to produce 400 pieces in 2008 and reach capacity in 2009. After reaching production, it will achieve an annual sales income of 2 billion yuan, an average annual profit of 550 million yuan, and foreign exchange earnings of 126 million U.S. dollars. “At present, our company has signed the first batch of supply contracts with foreign investors, with a total amount of US$1.344 million. The prospects for export earnings are good,†said Li Dongping.
The successful R&D of the “Key Manufacturing Technology and Equipment for All-steel Radial Giant Construction Machinery Tires†broke the monopoly of the top four tire manufacturing giants on the production technology and sales markets of all-steel radial tires, which greatly eased China’s mines. The construction of large-scale projects such as coal, metallurgy, water conservancy, and electric power contradicts the demand for all-steel radial midium tires and the embarrassing situation in China where heavy-duty vehicles have tires without tires.
Yanhua South (Guilin) ​​Rubber Co., Ltd. is affiliated to China Hanhua Chemical (Group), and Ganhua South (Guilin) ​​Rubber Co., Ltd. has established Guilin Rubber Machinery Factory, Guilin Tire Factory and other state-owned old enterprises. Its main products are six modules: giant engineering tires, aviation tires, rubber machinery, chemical machinery, safety condoms, and rubber products.
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