LED INDUSTRY
As
 the world's most watched new generation of light source, LED because of
 its high brightness, low heat, long life, non-toxic, recyclable and 
other advantages, known as the 21st century, the most promising green 
lighting. China's
 LED industry started in the 20th century, 70 years, after nearly 40 
years of development, has now formed in Shanghai, Dalian, Nanchang, 
Xiamen, Shenzhen, Yangzhou and Shijiazhuang, seven countries, 
semiconductor lighting engineering industry base, the products are 
widely used in landscape lighting And the field of general lighting, China has become the world's 
largest producer of lighting and the second largest export of electrical
 appliances.
LED industry chain includes four parts: LED epitaxial wafers, LED chip
 manufacturing, LED device packaging and product applications, in 
addition, including related supporting industries.
Most of the products on the middle of the need for production in a clean room. Its main supporting facilities are:
1, Class 1K, 10K, 100K sub-product needs have different levels of clean room.
2, cutting, backplane assembly, metal stamping and other display-related production processes;
3, compressed air, organic exhaust and other production supporting system;