With its high quality, mass production and unique design style, it occupies an important position in the global eyewear market. Shenzhens glasses industry, especially represented by "Henggang Glasses", has become a business card of Shenzhen. It not only enjoys a high reputation domestically, but has also gained wide recognition internationally. The development of Shenzhens glasses industry can be traced back to the 1980s. After nearly 40 years of accumulation and precipitation, Shenzhen has become one of the largest production bases for world-renowned brand glasses. Longgang District, as the core area of Shenzhens glasses industry, has 672 glasses manufacturing companies, with an annual output of 125 million pairs, an annual output value of over 15 billion yuan, and more than 80% of the total export value, accounting for approximately 10% of the global mid-to-high-end glasses market. 50%.