The background of the formation of China's four major production bases of eyeglasses

The background of the formation of China's four major production bases of eyeglasses is produced when the economy and trade are flourishing. China's four major eyeglasses base are Shenzhen, Guangdong, Xiamen, Fujian, Wenzhou, Zhejiang, Jiangsu Danyang, China's eyeglasses industry is large, according to incomplete statistics, as the production of eyeglasses and sunglasses and import and export of the first big country, China has about 6 exported to all over the world, and has become China's important eyeglasses export base.