The origin of Wu glasses, what are their advantages?

It is widely distributed in the Yangtze River Delta. The advantage lies in the cultural background of a century-old shop, but relatively speaking, the price is more expensive than ordinary optical shops, often thousands. In fact, compared with this traditional optical shop, online optical shops have more advantages, such as TRIOO mirror glasses network and French designer brand glasses. The most expensive one is only 400 yuan, and the frames and lenses are the same as those sold in traditional optical shops 1000, which saves the high rental cost. Cost-effective/it should be Wu. It is said that during the Qianlong period, a man named Wu specialized in jade and pearls.