Sister Sophia Huanggang Factory is not sure. Sophia is a well-known underwear brand, and its Huanggang factory is located in Huanggang City, Hubei Province. As for the number of employees in this factory, due to the lack of official data and reports, it is impossible to know the exact number. What is certain, however, is that Sophia is a brand with extensive influence in the world, and its quality and reputation have been recognized and praised by both inside and outside the industry, thus attracting a large number of consumers and employees.