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1 INTRODUCTION In the second international conference of electrostatic precipitator held in November 1984 in Japan, the author wrote the paper named Development of Electrostatic Precipitator in China and made a presentation on the conference at the invitation from Mr. S. Masuda. In the early 1980s, the ESP technology in China is in the primary stage, when the world's ESP technology had become mature commodity. Only more than 20 factories make body of ESP and power source. The ESP value output of 1982 was less than two hundred million. The biggest sectional area of ESP set in 1983 was 220 m2. Most of the sectional areas were less than 100 m2 in 1983, and ESP were mainly applied in industrial sectors such as steel industry, cement industry, chemical industry and papermaking industry. Two and a half decades passed. Technology and industry of ESP in China have made a great progress. There are more than 200 organizations, which are engaged in ESP and its relevant industries. These organizations have formed an industry with considerable scale. Research, design, manufacture, installation and debugging are all involved in the field of ESP. And the industry covers colleges and universities, research and design institute and enterprises. Now there are there ESP body corporations whose annual processing capacity can be more than 100 thousand tons, more than 10 corporations whose annual processing capacity can be in the range of 30 thousand and 100 thousand tons. There are 3 power source corporations which can make 1000 power sources per year, more than 10 corporations which can make 300 to 1000 power sources per year. By 2007, the whole contract value of the 21 ESP body corporations has reached 148765211 thousand Yuan, sales value has reached 8852699.8 thousand Yuan and export value has reached 919486 thousand Yuan. As the marketing requirement becomes larger and larger, in 21 century, output value of ESP in China increases dramatically. Production and management situations in recent years of 13 key enterprises, whose sales incomes are most, are showed in Table 1.

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