It is necessary. Danyang Optical City, also known as China Danyang International Optical City, is China's optical production base and product distribution center, located near Danyang Railway Station. This market has gone through three generations of development, from the first generation market in 1986 to the third generation market opened on May 1, 2014, all with a profound historical background. If you want to open an eyewear store, it is undoubtedly a wise choice to go to Danyang Optical City to inspect it in person. You can personally understand the product quality, price, style, etc. on the market, communicate face-to-face with suppliers, and obtain the most direct industry information.