check english plz....

整體文章的脈絡都條理分明，句子的結構大部份都可以，唯獨你有些用了現在時態被動句式並不合適(未知是否錯誤還是有意，因全文都用了現在時態)。應該用現在完成時態present perfect會比較合適以表達在寫這分析報告前的時間內所結論的發現。

Since reform and opening, Guangdong electrical appliances' industry export scale is increasing year after year.
改正例子：
Since refrom and opening of the China economic market, Guagdong electrical appliances' industry export scale has increased year after year.


For example, there are many brand name which are produce air conditioner in Guangdong such as Midea, Galanz, Chigo.
改正例子：
For example, there are many brand names of air conditioner manufacturers in Guangdong, such as...


It is increasing 11.1%. And the volume of exports is 2.06billion. it grow 27.9%. Due to the cost of the raw material is increased, so the price of air conditioner export is increased constantly.

改正例子：
It has increased 11.1%. ... it has grown 27.9%....the cost of raw material has increased, ...export has increased constantly.


Moreover, the statistics shows that the foreign market of Guangdong air conditioner is optimism in Middle East and India. But the foreign market of Guangdong is reducing obviously. In January to April, Guangdong air conditioner was exported to EU 2.389 million units.

改正例子：
Moreover, statistics have shown that foreign markets in Middle East and India for Guangdong air conditioners are optimistic. But export towards North American market has shown clear decline.[這句你譯錯了]


In United States and Canada, the amount of Guangdong air conditioner export are1.911 million units and 17 million units. They are increased 31.3%, 38%.
改正例子：
In the United States and Canada, the amounts of Guangdong air-conditioner export are 1.911 million units and 17 milliion units respectively. They have increased 31.3% and 38% (against? last year?)

請恕未能把你全部的內容改正，只把一些重要和代表性改正例子給你參考，舉一反三讓你自行修改。

Since the Chinese economic reform, the export volume of Guangdong’s domestic appliances has increased continuously (year by year is also acceptable) to the nation’s top position. However, amplification of international financial crisis has generally slowed down the economic growth in western countries that has in turn caused more and more adverse impacts (or effects) on Guangdong’s export of domestic appliances. According to the statistics of China’s Customs Bureau, the export value of Guangdong’s major domestic appliances in 2008 was 43.64 billion US dollars, a 3.6% growth over 2007. However, the year on year decreases of export volumes in October, November and December were widening to 5.2%, 17.9% and 26.7% respectively.

I am going to take Guangdong’s export of air-conditioners as an example. Guangdong province is the major production base of air-conditioners in China, where leading brands such as xxx, xxx and xxx are based. Air-conditioners produced in Guangdong accounted for the majority of the total national production, 60% of total national export value (or volume?) and about 70% of China’s domestic supply. According to the statistics of China’s Customs Bureau, Guangdong’s export volume of air-conditioners reached 11.58 million sets in the first four months of 2008, with a year on year increase of 11.1%. The export value in the corresponding period was 2.06 billion US dollars, representing a drastic year on year increase of 27.9%. Because of increases in labour costs and cost of materials such as air-compressors, steel and aluminium, there were various degrees of increase in the export prices of air-conditioners produced in Guangdong.

Meanwhile, statistics data in 2008 revealed that the export potential of Guangdong’s air-conditioners to emerging markets such as Middle East and India was excellent as compared with the shrinking North America market. (Continue on opinion section)

2010-04-08 23:18:04 補充：
From January to April in 2008, export volumes of Guangdong’s air-conditioners to Middle East, India and Japan were 1.269 million sets, 0.965 million sets and 0.725 million sets respectively, representing year on year increases of 85.6%, 72.4% and 40% respectively.

2010-04-08 23:19:14 補充：
On the other hand, export to the North America export market, which was affected by the sub-prime lending of the United States, decreased significantly. From January to April in 2008, export volumes of Guangdong’s air-conditioners to United States and Canada … (fill in the missing words yourself)

2010-04-08 23:19:59 補充：
Meanwhile, EU is still the most important export market of Guangdong’s air-conditioners. In the corresponding period, the export volume of air-conditioners to EU was 2.389 million sets, representing a year on year increase of 33.6%

Note : 改革开放 should be economic reform.

2010-04-08 23:22:47 補充：
You have done a good job. I have kept my promise and made minor amendemnts to your essay. Good luck!

By the way, I have gone through answers provided by other members. These answers have many mistakes and you are advised not to rely on them.

2010-04-09 11:10:00 補充：
Forget to remind you one thing. Apart from 'China's eocnomic reform', 'year on year' is also a technical term that must be used in your essay.

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2010-05-03 18:45:45 補充：
宽松的政策有冇D TERM係形容?