Today, China has gradually become a global manufacturing center, and the focus of global compressor manufacturing has gradually shifted to mainland China. Major international compressor manufacturers have entered the Chinese market one after another. The world's major compressor manufacturers have production bases in China. The major international compressor manufacturers all attach great importance to the development in China. The entry of major international compressor manufacturers into China has exacerbated the market competition in China's refrigeration compressor industry. Domestic refrigeration compressor companies must drive their full capacity to catch up. Standing in an unbeatable position in the world.
As people's requirements for comfort in living and working environments continue to increase, commercial central air-conditioners are rapidly developing. According to statistics from the central air-conditioning industry, China's central air-conditioning market witnessed rapid growth in 2004, with a growth rate of 48%. Commercial central air-conditioning industry, led by real estate development, department store logistics, and large-scale public construction, demand continues to be strong. It is estimated that from 2005 to 2010, the average annual growth rate of central air conditioner sales will be about 10% to 20%. Screw units will therefore be developed vigorously. In the central air conditioning area of ​​medium-sized 30RT-500RT, screw compressors have gradually replaced piston compressors.
The level of industrial technology is increasingly demanding, and the demand for industrial refrigeration equipment has steadily increased. China's frozen and refrigerated industry accounts for about 20% of the total refrigeration industry, which is far lower than the proportion of about 40% of mature markets in the world. The market potential of the refrigeration and refrigeration industry is very high, especially the development prospects of medium and low-temperature refrigerating and freezing equipment in the agriculture, fishery and animal husbandry industries are very promising. Compared with the situation in developed countries, there is a big gap in the refrigeration, freezing and logistics of agricultural, fishery and animal husbandry products in the mainland. It is optimistic that the average growth rate of industrial refrigerating and freezing equipment from 2006 to 2010 is about 20% to 25%, and the expected growth rate from 10% to 20%.
Refrigerated and refrigerated compressors can be divided into small-scale refrigerating compressors and large- and medium-sized refrigerating compressors, among which small-scale refrigerating compressors are mainly used in refrigerators (reciprocating and rotary-type structures, frequency conversion technology is the future development direction) and refrigerated trucks. (The vehicle-mounted screw compressor is the direction); large and medium-sized refrigerating compressors are mainly used in railway refrigerated trucks, refrigerated ships, refrigerated containers and cold storage, mainly in reciprocating and screw type. Because of its long-term adaptability to 24-hour operation, and the continuous improvement in the technology applied to cryogenic systems, screw compressors have undergone significant improvements in performance and efficiency. In developed countries such as Europe and the United States, screw compressors have gradually started to develop in cryogenic refrigeration systems. Instead of the traditional piston model became the standard configuration.
Screw refrigeration compressor industry supply and competition The screw refrigeration compressor industry is a technology-intensive industry, the production process is relatively complex, high precision machining requirements, product and technology update is more difficult, the company's sustainable development requires a certain amount of research and development The strength and technical reserves also require a certain amount of practical experience. At present, domestic screw compressor manufacturers improve their technical content and performance quality through technology introduction, technical cooperation or independent research and development. However, compared with international advanced level, their products are still in terms of profile, noise, and oil separation efficiency. There is a certain gap.
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