The Ministry of Commerce recently held a regular press conference. Shen Danyang, spokesman for the Ministry of Commerce, stated that the “special protection case†adopted by the United States in China is actually a trade protectionist measure taken in order to transfer domestic political pressure. It is necessary. The United States is urged to terminate tire "special protection" measures as soon as possible to ensure a fair competition environment for Chinese companies. Shen Danyang stated that if the Doha round of negotiations is successful, the overwhelming majority of countries in the world will benefit. If the Doha round of talks fails, it will lead to a halt to the process of global trade and investment liberalization and will have an adverse impact on the world. Therefore, during the process of China’s accession to the WTO and the Doha round of negotiations, China has made positive and real contributions. He said that during the negotiation, China has promised not to use export subsidies for agricultural products, and maintain domestic allowances at the slightest allowable level in the country. It also promised to achieve 95% tariff-free tariffs on the least developed countries. This is something that some of the most developed countries cannot do. To the China’s per capita income is currently less than one-tenth that of the United States, and some developed countries require China to assume similar or similar responsibilities to the United States. This is clearly unreasonable. As a member of a developing country, China has always been an active participant and supporter of the Doha Round negotiations and has always played an important role. He pointed out that the “special security case†adopted by the United States in China is actually a measure of trade protectionism adopted in order to transfer domestic political pressures. This practice has caused the consequences of distorting trade and is a consequence of harming one’s own interests. It not only damaged China’s legitimate trade interests, but also did not receive support from the U.S. domestic industry. The data shows that this practice did not reduce U.S. tire imports after implementation. “The data show that in 2010, the number of tires imported from the United States from the world increased by 20.2% compared with 2009. In the first half of 2011, imports continued to increase, which is an increase of 9% over the same period of 2010. At the same time, the number of tires imported from China by the United States In 2010, the number of imports in the first half of 2011 fell by 23.6% from the previous year, which was a decrease of 6%. This shows that the number of tires imported by the United States has not decreased, but only reduced imports from China. Therefore, China believes that it is necessary Urge the US to terminate the "special protection" measures as soon as possible to ensure a fair competition environment for Chinese companies," Shen Danyang said.
Semi-welded plate evaporator has wide plate gaps, wide channel openings and laser welding, which enable them to perform vacuum and low pressure evaporation processes in both water-based and organic-containing systems.
Evaporator can be considered the point of heat capture in a refrigeration system and provides the cooling effect required for any particular application.There are almost as many different types of evaporators as there are applications of heat exchanger. However,evaporators are divided in to two categories such as (i)direct cooler evaporators that cool air that,in turn,cools the product and(ii) indirect cooler evaporators that cool a liquid such as brine solution that, in turn, cools the product. Normally, the proper evaporator comes with the system. However, there may be an occasion when designing a system, so one will need to determine the requirements and select the proper evaporator from a manufacturer's catalog or manual.
In practice,the following evaporators are commonly used for cooling,refrigerating,freezing,and air conditioning applications:•liquid coolers,•air coolers, and/or gas coolers.
Shell and tube type heat exchangers are the more common form of evaporation units for water cooling and chilling applications.
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Ministry of Commerce: It will urge the US to terminate tire "special protection" as soon as possible