The development trend of China's lock products should be from a high-precision, high efficiency, high fastness, multi-function; two more specifications, more variety; three standardization, serialization, universal, to show its characteristics; technology and technology should be strengthened: cutting Processing technology, stamping technology, die-casting technology, surface treatment technology, automatic assembly line and so on. As China's lock technology rises year by year urgently to go hand in hand with the international market When it comes to the development of China's lock-making industry, the Chinese lock-making industry should have an overall organizational goal so that scientific and technological progress can be steadily increased year by year. Product structure, product quality, technical equipment, Innovation ability, talent structure and so on are indispensable. He believes that the lock is a necessity of people's lives, is a daily hardware, but also a type of security products, the development of this industry is good or bad, relates to every family, unit, public places. In today's increasingly competitive international market, China's lock if it is still non-innovative awareness, stop moving, it is bound to be eliminated by the international market. Like the modern high-tech operations in Italy, the United States, Germany, Japan, the United Kingdom and France, can be regarded as lock power, their technical level and technological level of the world's leading position. The world-famous locks come from these countries. However, with the increasingly expensive labor force in these developed countries, by the 1970s, the low-end lock production center gradually shifted to four small dragons in Asia and made tremendous progress. By the early 1990s, the cost of labor in four small dragons in Asia soared, their competitive advantages declined, and the global lock market was declining. At this time, Chinese lock manufacturers seized this opportunity and mass-produced them. By 1992, China's total lock production reached 1.05 billion and more than 200 million were exported, gradually becoming a big lock-producing country. However, so far, China's lock industry is only a growing market. According to relevant media investigations, the preliminary conclusion is that the Chinese lock enterprises are unevenly distributed throughout the country and the cluster phenomenon is outstanding; disorderly competition and extremely low profits are caused by This seriously disrupted the development of the entire industry.
Plate heat exchangers can be divided into categories according to their function or characteristics. The most common type is the Plate And Frame Heat Exchanger, which uses gaskets between its plates to create a hermetic seal between them. Another type is the Brazed Plate Heat Exchanger, which is a sealed unit where the plates are joined together by a brazing process. There are also welded plate heat exchangers, involving the use of welding, as well as semi-welded and fully-welded models. Pillow Plate Heat Exchanger consists of two thin metal plates with a herringbone structure on them, the plates are welded together to form a series of interconnected pillow chambers.
Plate heat exchangers are typically used for applications including heating, cooling, heat recovery and condensing, and are especially useful for industrial applications as they are compact. efficient, cost-effective, easy to use and require minima maintenance. Additionally, plate heat exchangers can be used totransfer fluids of different temperatures quickly and in a wide range of flow rates.
Plate heat exchangers are highly suitable for industrial and domestic applications such as air conditioning and refrigeration, radiators and condensers. Oil cooling, chemical processes, food and beverage processing.
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