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With the promulgation of the implementation plan for the revitalization of the basic mechanical parts industry by the Ministry of industry and information technology and the establishment of the preparatory organization for the collaborative work platform for high-end hydraulic parts of construction machinery at the end of last year, China's special fight against hydraulic parts and other core parts of construction machinery has entered a substantive stage. Changsha Baosen, the director of China Hydraulic and pneumatic seal industry association, said that changing the situation of hydraulic parts being controlled by others for a long time and realizing the simultaneous development of main engine and supporting equipment will bring new development opportunities to China's machinery industry

core components: imports swallow up profits

over the past three decades of reform and opening up, Chinese enterprises have achieved a dominant position in the domestic market in almost all segments of construction machinery. However, the lack of technology in the three core components of hydraulic parts, engines and electronic control systems has always restricted China's construction machinery industry from striding towards the international market, resulting in a long-term large but weak situation in China's construction machinery industry, More than 70% of the profits of China's construction machinery industry have been seized by foreign parts giants

shabaosen believes that imported parts not only account for a large proportion of the cost of construction machinery, but also make the timely supply of these key parts have seriously affected the normal production and business activities of Chinese construction machinery enterprises

zero contact with the manufacturer's personnel in the three cores of construction machinery, such as lattice structure hydraulic parts, engines, and electronic control systems! Among the components, the technology of hydraulic parts is the biggest bottleneck for the development of Chinese construction machinery enterprises. In terms of high-pressure and large flow hydraulic devices for excavators, the products of domestic excavator parts enterprises are still difficult to meet the supporting requirements of domestic excavator host enterprises. Therefore, the core parts of excavators are heavily dependent on imports, which also devours most of the profits of China's excavator industry

the technology of domestic hydraulic parts and components in China is weak, and it is obviously at a disadvantage when competing with world-famous brands. Therefore, in the domestic construction machinery industry, there is a saying that "those who get the foundry get the hydraulic pressure, and those who get the hydraulic pressure get the world"

in the 1990s, XCMG group took the route of "market for technology" and established an excavator joint venture with American construction machinery giant caterpillar in Shandong. However, due to the slow technology digestion and innovation, it is difficult to make a major technological breakthrough in the technology of hydraulic parts. Therefore, XCMG group hopes to achieve technological breakthrough through mergers and acquisitions, and has successively acquired two European enterprises with high-end hydraulic parts manufacturing core technology

at present, the global sales of hydraulic components of multinational giant Rexroth in Germany exceed the total output value of China's hydraulic industry, highlighting the huge gap between China's hydraulic technology and foreign countries. In order to control the Chinese market, Rexroth's supply cycle to Chinese enterprises is 88 weeks, which means that Chinese enterprises now have to decide the purchase volume of hydraulic products in 2013. In the case of great changes in the market of construction machinery industry, such overlord clauses mean that Chinese enterprises have to bear huge market risks by themselves. In 2008, when the financial crisis caused the market to shrink, Rexroth required Chinese enterprises to pick up the goods within four months, and the deposit would not be refunded if they failed to do so. When the supply of hydraulic products is insufficient, Rexroth unilaterally delays the delivery and decides a small amount of compensation by itself. This has led to a sense of frustration that China's construction machinery industry is "stuck" in key components

In an interview, Luo Baihui, Secretary General of the international mold and hardware and plastic industry suppliers association, pointed out that not only hydraulic components, bearings in high-speed railway equipment, high-end gear transmission devices in equipment manufacturing industry, car panel molds and so on are heavily dependent on imports. Luo Baihui said that as hydraulic parts, bearings, gears, molds and other important parts in the equipment manufacturing industry, China's dependence on imports of key basic parts has seriously restricted Chinese construction machinery enterprises from vigorously exploring the international market. In the "12th Five Year Plan" for the development of machinery basic parts, basic manufacturing process and basic material industry issued by the Ministry of industry and information technology in 2011, China proposed that through five years of efforts, the innovation capacity of China's machinery basic parts, basic manufacturing process and basic material industry (hereinafter referred to as "three bases") will be significantly enhanced, and the processing and manufacturing level will be significantly improved, which can basically meet the development needs of major equipment, The situation that industrial development lags behind seriously has been improved. The international will increase the support and guidance for the existing industrial clusters of bearings, gears, hydraulic parts, pneumatic parts, seals, chains and sprockets, fasteners, springs, molds, basic materials and so on, and cultivate a few advantageous enterprises

Luo Baihui pointed out that in the past, the development technology accumulation of China's hydraulic parts industry was not enough. Now, in the field of hydraulic parts and hydraulic air tightness, the investment of China's existing projects is also more than 10 billion yuan, However, the domestic liquid and gas tight industry is busy fighting in the middle and low-end market of products of Northrop Grumman Corporation (nyse:noc), a subsidiary of Northrop Grumman Corporation (NYSE: NOC), which is a company specializing in aerospace and composite material development. Product homogenization is difficult to upgrade, which requires national policy guidance. Host enterprises and domestic infrastructure enterprises form an alliance and take the road of joint reorganization, Only when there is scale can there be benefits

if the basic component enterprises participate in the development process of host products, they should fully understand the technical development requirements and process requirements of the host. The main engine enterprises actively support domestic basic parts and provide time, machines and sites for the life test of new products of basic enterprises, so as to partially replace petroleum based plastic materials. Only when the two achieve deep cooperation in the upstream and downstream of the industrial chain can they gain advantages in the competition with foreign enterprises

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