China is a country which has the largest number of glasses manufacturing enterprises and the most complete production of eyewear products in the world. They are mainly distributed in Wenzhou and Taizhou of Zhejiang province, Guangzhou and
Shenzhen of Guangdong province, Xiamen of Fujian province, Danyang of Jiangsu province, Xinhe of Hebei province, Yujiang of Jiangxi province, Rongchang of Chongqin city, Cangxi of Sichuan province, etc.