In the rising prices of raw materials, particularly the recent sharp rise in copper prices, the profit margin linear air conditioning rotary compressor industry decline. In early 2005, the industry is still in the sales margin level of close to 15%, while raw material prices since early 2005 after also opened until now, the rotary compressor industry profit margins will gradually decline, the lowest value at 06 in February, only 7.67%, and then slightly recovered, but the overall level is still at a disadvantage. May 2006 sales profit rate is 8.32%, the level of the same period in 2005 was 13.8%, down 40%.

Faced with the current copper price increase uncertainty, oversupply and industry, among other factors, the rotary compressor industry in the new cold years can change the margins have fallen sharply tragic fate is still a confusing, difficult early conclusion of the problem, but we will wait and see the arrival of good news.