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At the beginning of this month, in the workshop of CNR Changchun Railway Vehicle Co., Ltd., a batch of Jincheng EMU springs will be installed on the EMU trains with independent intellectual property rights in China. This has also become China’s first installation on CRH5 EMUs. The localized EMU springs. In recent years, China’s self-developed EMU trains have not only increased in speed but also increased in speed. Their localization rate has also reached more than 85%. However, precisely because of the non-localization rate of 15%, CRH5 EMU trains such as springs and other accessories still rely on imports. These will be on-line installation. The EMU spring independently researched and developed by CNR Tianjin Aircraft Rail Transit Equipment Co., Ltd. has successfully broken the long-term monopoly of foreign companies on this type of accessories; and the company has become the first domestic company to Mass production of CRH5 EMU special spring company, so that the city's enterprises headed into the field of high-speed rail.
Tianjin Equipment Co., Ltd. was established in 1909 with the construction of the Jinpu Railway. It is now a subsidiary of CNR Co., Ltd., and its main products are springs and buffers. At the end of April of this year, CRH5 EMU springs independently developed by the company were officially approved by the Ministry of Railways for mass production approval after being passed the first inspection, and were qualified for mass production; in the middle of July, the CRH5 EMU springs were the first to be produced. Successfully sent to Changke shares; at the end of July, it received the second 10 batches of CHR5 EMU spring production orders from Changke. At present, the CRH3 EMU spring developed by it has passed the first appraisal of Siemens Changke.
Deng Kuitian, deputy general manager and chief engineer of Tianjin Equipment Co., Ltd. in an interview, told the reporter that the EMU spring has high technical requirements and is difficult to develop. The quality of springs directly affects the safety, stability, and comfort of the EMUs. The springs of the EMUs developed and produced reached a high degree of consistency in terms of rigidity, hardness, and load height, and reached the same level of life span as foreign products, comparable to foreign company products. At the same time, the product also has three major advantages of price, supply and after-sales service. The price is lower than foreign products, and it can be supplied at any time because of its production in Tianjin. The supply period of foreign products is generally 3 months to 6 months. After-sales service is even more suitable for on-site loading and on-line quality tracking. . In the future, Tianjin Equipment Co., Ltd. also plans to set up a spring technology center and enter a full-automatic spring production line to continue to develop high-speed EMU springs, urban rails, subways, construction machinery and other fields, and to build the company into a world-leading, domestically-leading spring. R&D, manufacturing, inspection and testing bases.
Tianjin Equipment Co., Ltd. was established in 1909 with the construction of the Jinpu Railway. It is now a subsidiary of CNR Co., Ltd., and its main products are springs and buffers. At the end of April of this year, CRH5 EMU springs independently developed by the company were officially approved by the Ministry of Railways for mass production approval after being passed the first inspection, and were qualified for mass production; in the middle of July, the CRH5 EMU springs were the first to be produced. Successfully sent to Changke shares; at the end of July, it received the second 10 batches of CHR5 EMU spring production orders from Changke. At present, the CRH3 EMU spring developed by it has passed the first appraisal of Siemens Changke.
Deng Kuitian, deputy general manager and chief engineer of Tianjin Equipment Co., Ltd. in an interview, told the reporter that the EMU spring has high technical requirements and is difficult to develop. The quality of springs directly affects the safety, stability, and comfort of the EMUs. The springs of the EMUs developed and produced reached a high degree of consistency in terms of rigidity, hardness, and load height, and reached the same level of life span as foreign products, comparable to foreign company products. At the same time, the product also has three major advantages of price, supply and after-sales service. The price is lower than foreign products, and it can be supplied at any time because of its production in Tianjin. The supply period of foreign products is generally 3 months to 6 months. After-sales service is even more suitable for on-site loading and on-line quality tracking. . In the future, Tianjin Equipment Co., Ltd. also plans to set up a spring technology center and enter a full-automatic spring production line to continue to develop high-speed EMU springs, urban rails, subways, construction machinery and other fields, and to build the company into a world-leading, domestically-leading spring. R&D, manufacturing, inspection and testing bases.