The Ministry of Industry and Information Technology and the China Liquid and Airtight Association held the "High-end Hydraulic Components New Products and Industrialization Conference" in Linyi, Shandong Province on August 7. The high-end hydraulic products of Shandong Zhongchuan Hydraulic Co., Ltd. passed the national appraisal. China's construction machinery high-end hydraulic parts market is huge, accounting for 12.5% ​​of the world market, ranking fourth in the United States, Japan, Germany. At present, domestic products can only meet the needs of medium and low-end matching. High-end products rely on imports and are expensive. Some people describe it as "we are sweating and we are importing tears." Long-term dependence on high-end hydraulic components has affected the independent innovation of the construction machinery industry and even related to industrial safety, and also affected the development of the hydraulic industry. Therefore, solving the long-term dependence on import of high-end hydraulic components of construction machinery is one of the important tasks during the “Twelfth Five-Year Plan†period. Sha Baosen, chairman of the China Liquid & Gas Association, announced at the meeting that the accreditation committee consists of academicians of the Academy of Engineering, engineering machinery research institutes, universities, related construction machinery enterprises, national engineering machinery testing centers and industry management departments, August 6 The high-end hydraulic products such as AP4V0112TVN hydraulic axial piston pump, AP4V0112TE hydraulic axial piston pump, MA170W rotary motor and VM28PF main valve of Shandong Zhongchuan Hydraulic Co., Ltd. were identified. The conclusion of the appraisal is as follows: China's high-end hydraulic products have reached the international advanced level of market-leading products, have mastered their core technologies, and have independent innovation capabilities, and have already possessed industrialization conditions.
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